Players lack of proper gamer culture lately. Instead of balancing the game to enjoy it as long as possible everyone prefers to quickly win the match.
And that "equalizer" thing? It's totally "broken":
Not only it takes ages to "equalize" the "teams", but also it usually switches some noobs or low-score players in general.
I remember that some time in the past there was a server that would occasionally pause the game for a moment and blance the teams through shuffling/mixing the players based on their score. That could be extremely useful on Miasma.