[jaen]

That's a somewhat one-sided view. For gaming and entertainment, yes, people would do it anyway, since it's just fun, but these do not contribute much useful information to the collective consciousness anyway. Hobbies & creative communities will also survive.

OTOH, there are also plenty of technical blogs full of advanced content that is not "fun" to produce on its own, that are written to interact with a community of professionals (or juniors), and that might wither if engagement with actual human beings is reduced.