But that’s just the technical aspect of how the site infrastucture works. Unless you’re someone that exclusivly browses the local feed, the fact there are multiple instances has little impact on the user expirence.

The point in the video was, that you used to only interact with people in a single community. Like, you were on a forum for a specific game and you talked with people about that game, usually not knowing much else about them. So you lived in the same village.

On today’s social media platforms, including the fediverse, that’s not really the case. I can interact with you in a forum about a game … and then see you post some political opinion in another community we share … and suddenly you’re no longer just in my village … you’re also a member of the rival tribe.