I saw a post the other day saying our boomer like trait will be not being able to recognise AI generated content.

Our kids are going to think we're idiots.

"The blinks are too regular dad, geez!"

J# was also literally MS Java

Those are two different communities. The same as they would be on Reddit. Literally different names.

Communities are hosted on one a synced with others. So technology will be the same on all servers as long as they haven't defederated each other.