The ammount of earned XP does not indicate the ammount of players that like theese settings/mods, as more that theese settings/mods tend to raise the ammount of gained XP.
TB & SL are atm pretty much the same, at least i dont see much difference. Mods are not equal or same, else they would not exist. How about tracking hl2 mods and put them all in one db and make a ranking afterwards, would that be what it's meant to be?
This is more then simple tracking system as it includes also ranking. I think this thread was just openend to point out that things (settings/mods) are not equal but rated in the same way.
Then tell my why you are here if it is not about the ranking?
This might produce to much work as for each "such" server a ticket needs to be filled, checked, possibility to be appealed by server owner, re-checked after settings have changed, re-enabled, ... ,..
My opinion: Don't exclude something from ranking, as everything (well cheats and stuff for sure not) that exists in ET keeps it alive (ain't that the thing what we like?). Just seperate things that are not equal (Mods/Special settings/Server Versions).