enjoyment
Relevant:
I believe this covers your whole post actually, but the below needs to be addressed specifically.
This isn’t an argument, or point, because social circles - people who share at least percentages of your interests and beliefs - are a thing. Plus, as a side-note: Quantity > Quality. Blanket statements that “more people playing is better” is simply not valid, because it depends on the person.
Example: Gaining 100k players in a week is great, until you realize that most of them are just farmers. In EVE that’s a big problem, because they do not actually add to society as a whole and minimize their part in the butterfly effect. They do not play the game for the game. See also: FW and how farmers ruin it for them and side-related: CCP! WE DEMAND MORE CONTENT!