Not the op and I get your point, however... One way to think about it might be that the site supports lots of users who use it for various things. So, everyone

Not the op and I get your point, however... One way to think about it might be that the site supports lots of users who use it for various things. So, everyone uses 80% of the site, but everyone also uses a different portion of the final 20%. So, if you have lots of users, you might also have lots of smaller features that a significant minority use. I don't know, just an interesting way of thinking about it.