This is probably the regulation you’re unaware of: https://www.wired.com/story/how-a-controversial-new-sex-traf...

I suspect the increased liability risk is the main cause of what we’re seeing.

>Or, perhaps, fear of the political bloc that is Evangelical Protestantism in the US?

Not just politics -but finances as well. The Evangelicals represent a huge amount of money -particularly when you're talking about the mega-churches.

Also, it's quite, quite possible that a large number of decision makers in the banking industry are themselves conservative hard-line Christians.