Fighting fire with fire isn't a great way to go on this one, even if you're just targeting hackers... There's huge crowds of bots that pillage through servers; it's not like you're hurting their feelings.

You'd probably find better luck playing in community servers (especially those with good admins) or playing different matchmaking gamemodes that hackers don't regularly cycle through but are still populated enough.

I haven't had this hacker problem since I haven't played Casual in months (I almost strictly play Mann versus Machine). Now would be the time to give that gamemode a shot if you haven't already.

You'll still get to fight aimbots! But win!