Maybe I'm only seeing the cottagecore, homesteader end of the spectrum and you're only seeing the religious fundamentalist end of the spectrum, but both are happening under the same label on various TikToks, Instagrams and Podcasts.
I suspect the way you've framed it is very misleading, and represents only a tiny sliver of content, but, as I conceded in my first statement, I've seen a whole lot more commentary about tradwife content than the actual content itself, so there is a real possibility I am wrong and I've only seen the friendly tip of the iceberg but it's actually full of badness underneath.