I wonder how the site (or a similar one) would work where there was a fixed number of memberships, say 5000. If the max number is reached, new people can only j

I wonder how the site (or a similar one) would work where there was a fixed number of memberships, say 5000. If the max number is reached, new people can only join when others leave, like a club. If you don't use your membership for a period of time, you are automatically unregistered. Spammers and others lowering the quality will be unregistered as well.