There are some abuses of votekick (for example just before a loot in CT I saw it, or for not enough justified reasons, fails or mistakes are not reason enough if there is good intention.) But I think vote kick is needed if someone gets d/c and doesn't come back, or for the very rare nasty misbehaving one. There is a 4 hour (I think) wait for starting a votekick if you already started one, so it is impossible the same person can use it too frequently.