[watwut]

I mean, I was member of sports teams. Sometimes lifelong friendship evolves, but it is not nearly automatic nor super frequent.

Way more likely is that when people stop going for whatever reason, the relationship ends. Getting injured or sick or having new kid and less time or whatever all means you disappear.

[recyclelater]

This is a function of your skill and desire not a deficiency of the social activity

[watwut]

What part of that observation is about a skill or desire? I mean, I am describing what I observed to happen to people around me. If too many of them are "not skilled enough", then maybe it is not just about individual failures.