Underrated benefit of lemmy is like minded people will tend to join the same instances and if I don't want to interact with those groups I can just filter the whole instance.
A lot less annoying then endlessly filtering content by community and user
On the other hand, learning to deal with people you dislike is a useful skill. If everyone segregates themselves into opposing factions there will never be any progress.
Of course, I've personally blocked about 600 people...