I’m also a Gen X parent on Facebook. I don’t post anything, but so many groups use it as a public posting board. My kids sports leagues all have Facebook groups, my son’s piano school use Facebook for news and information. It’s really become indispensable as a collection of small, easy to use, newsgroups…
We are seeing the natural evolution of the tea party. If you can win by running to the right of your opponent, then your next opponent will run to the right of you. It’s a gerrymandered death spiral and we are all just along for the ride.