you hit the nail on the head. and Remember when we used stuff like IRC, ICQ, AOLIM, forums, etc it was CONSTANTLY drilled into our heads to NEVER share our real names, hell even posting an actual photo of yourself was seen as extremely risky. It wasn't until Myspace that I felt comfortable doing so. The only social media I use now is piefed. that's it. I don't even use Mastodon much anymore. it's easy for me to just ditch that stuff on whim. I ditched facebook easily a good 10 years ago, I just don't think about it.
I was born in 83 so not quite gen x but I think people my age have a similar mindset. we're just kind on the cusp of it all. I think unlike Gen X who just said "nah i'm good" many millennials rather were like "meh, ok, ill give it a shot for a bit" before saying no.