You can find the answer to your question in a recent forum post here:
You can further read into the discussion if you’re interested, but as you can see (and what Neson has concluded), a large part of the player base is just people playing offline.
Probably a good thing you didn’t write an entire essay, since the issue was discussed fairly recently, but do feel free to talk about why the server list feels ‘clunky’ and/or how to improve it.