They’re out there, but not as big yet and more dispersed.
For example, I run !micromobility@lemmy.world - we’re still pretty small but growing and fairly active despite the small size.
The other part of it is that we all need to put effort into creating, sustaining, and growing the communities we want to exist. It didn’t happen overnight on reddit, and it will take time here too.
No. It would not. More like a duty to preserve video game history.