Thank you—I'm only just seeing that that it's all about Baby Boomer parents. These were the big, lurid Evangelical controversies of the '80s-'90s:

1) Rock music

2) D&D—and 'Satanism' and the occult

3) Homeschooling

4) Sexual purity

This is a developmental drama. They're attempting to control their children, using theological pressures. But it's all mirroring the 1960s counterculture—the fears the parents had when they were teenagers in 1965-69.