And some more recent articles:
https://www.usnews.com/news/national-news/articles/2023-02-23/majority-of-americans-support-banning-tackle-football-for-kids
https://news.osu.edu/americans-love-football-but-differ-on-whether-kids-should-play/
About six or seven years ago I remember reading in an article about
how support for tackle football was beginning to break along traditional progression / conservative directions, with the former becoming against it for health concerns.