To start things off, from my perspective, we were discussing politics, and, politically, evangelical Christians is a title currently used more by pollsters, politicians and the media than it is by actual Christians (as in people who truly follow Jesus) now.
To your point, yes, when those movements started, church leaders used the phrase evangelical in describing which denominations set themselves apart in how zealously they pursued the great commission. But no Christian that I know of that is part of a denomination from that evangelical movement calls themselves that any more. We simply say we're Christians or Baptist or Methodist or whatever.
Mass graves, like in Canada?
https://nypost.com/2023/08/31/still-no-evidence-of-mass-graves-of-indigenous-children-in-canada/
Sin is sin is sin is sin is sin. It's terrible. It's even worse when people who claim to follow Jesus do it. I can't agree with you more how bad that is. But I also can't say it enough, the people who are sexually immoral and sexually abusive are not following Jesus Christ, even if they claim to be.
As for churches here in the US safeguarding children, I know my own church has a rigorous background check for everyone who serves on staff or volunteers, with independent security teams as an additional safeguard. Not sure why they aren't as vocal as churches in the UK.
Well, I'm not a preacher, but my son is waiting until he's married. I'm hopeful my younger two children do as well. My nephews waited until they were married. And our church youth groups have made abstinence cool in their circle of friends... So something is working right here in Kansas. And, this will sound silly, but I know zero son of preacher jokes.
Paul, who wasn't married, said it's better to not marry. Jesus is always coming back soon... Regardless of whether it's His second coming, or the end of our lives, time is of the essence. The message is clear enough, that the context doesn't change the meaning. And, verses aren't meant to be read in isolation.
The Pharisees and Sadducees held a trial to convict him of a capital crime, blasphemy, so they must certainly wanted him dead and tried to do it.
You're also wrong about killing of Christians on multiple counts... Though I can't be sure if you're only talking about Jews killing Christians or other governments too, so I'll address them both. First, Paul, who was called Saul before his conversion, guarded the robes of the Pharisees who killed the first Christian martyr, Stephen. Paul, post conversion, wrote about being the Pharisee of Pharisees. They, the Pharisees, commissioned his trips to try and to kill Christians in the diaspora. And Romans, well, they made sport of murdering Christians.
As for which books were included and original authors of the letters... First, the early church leaders and scholars came from a culture which had an oral tradition, so it was part of their culture to pass on and understand who wrote what book and so forth, also as the church became more organized, so did all the books of the Bible into a single manuscript. Plus God is not the type to just sit by and do nothing, as is evident from all the connections between different books and verses of the Bible...66 books from 40+ authors written over 2000 years that all correlate to one another and tell the seamless story of redemption through Jesus. Not mere coincidence from fallible men.