Gobbledy, thanks for addressing my post. I'll try to be as fair.
"Christians have done many good works including numerous charities and funding community services such as schools and hospitals."
Let's not get carried away about Christian hospitals. My wife works for a Christian hospital, and like all so-called "non-profit" hospitals their records are online for all to see. These tax exempt "good works" make billions in profits. Their executives/management make absurd amounts of money in bonuses and salaries. The hospital my wife works for is currently pushing through changes which would take away people's retirements and force employees to pay through the nose for their already substandard health insurance. These are businesses. They aren't good works. It is widely reported that they do very little in actual charity care to low income people, which is the very reason they get their coveted tax exempt status.
As for Christian schools, I'll take your word for it that your school in Hong Kong was decent. How many aren't. I won't say all focus on indoctrination but a lot of them do. And Christians in general are doing serious damage to science education in the United States. Again, I hate anecdotal evidence, but my wife went to a Catholic high school. They taught abstinence only sex education, to the extent they talked about sex at all. The openly preached against abortion, and fired a teacher for being lesbian. They also mandated theology class, which was more indoctrination.
I'm not saying all schools are like that, but our hypotheticals don't really provide information about the broader trends. Christian schools also get away with not providing services to special needs kids, and being selective about who they admit, which is how theyre able to claim they're supposedly better at instruction than public schools.
"The Nazis didn't use the Bible as their fount of authority, but nonetheless wrought unimaginable evil"
European fascist movements around Europe portrayed themselves as defenders of Christianity, the Nazis included.
Francisco Franco said:
"“Adolf Hitler, son of the Catholic Church, died while defending Christianity. It is therefore understandable that words cannot be found to lament over his death, when so many were found to exalt his life. Over his mortal remains stands his victorious moral figure. With the palm of the martyr, God gives Hitler the laurels of Victory.”"
Francisco Franco called Hitler a defender of Christianity, and Franco is hailed as a Christian hero even today, by mainstream conservative publications like the National Review. He was certainly hailed by the Pope. The Croats, arguably worse than the Nazis on a per capita basis, were vehemently Catholic and the church was tightly interwoven with the Ustasha regime. The Vatican signed a Concordat with the NSDAP. The Lutheran Church was also very cooperative.
I know there has been some revisionism trying to portray the NSDAP as pagan or even atheist. It's not even slightly true. SA members were required to attend Christian services in uniform, and Nazi belts said "Gott mit uns". Church attendance skyrocketed under NSDAP leadership.
"If we look at Christianity from this angle, focusing on the main idea of brotherly love as most Christians do, it doesn't seem as threatening does it :)"
Except it's highly questionable whether that's either the main idea in the NT or the principle followed by most Christians. I'll give you the best example. While Christians might want to claim that its only fringe "fundamentalists" who oppose gay rights in the US, the fact is frequent church goers oppose gay marriage by an overwhelming majority, around 75%. The only "religious" group in America in which a majority supports same-sex marriage are people without any religious affiliation.
Now, you can claim that Christianity isn't about attending services, but I think that's about as true as me claiming being a Communist isn't about paying dues or attending meetings. The fact is church attendance reflects religious conviction, and is a central part of the faith. If the people who are most Christian in actions are the least tolerant or accepting of brotherly love, then the whole notion that Christianity is a guide to brotherly love goes out the window.
"But it isn't at the level of 'despicable' wherein you would treat it like Mein Kampf. "
It has abysmal proscriptions for practically every issue that it bothers to touch on, particularly social equality. It was used as the principle means of argument in defense of slavery, while slavery's opponents were almost exclusively atheists, freethinkers, and nonconformists of various types. It's attitudes toward women are indefensible. It really has very little than can interpreted in a positive light, and whatever positive can be gained from it is really overwhelmed by all the damage it has done.