It’s been building for maybe a decade? It’s marketing that’s been successful. Stores would set up earlier and earlier, and the people that really love Halloween would buy earlier and earlier, decorating earlier.
Then, at some point the term spooky season started being used outside of ads. I’m not sure what company started it, but places like party city were using it a while back for sure.
Oh no, some kid might see tits.
You know, those things “designed” to feed them.