http://forum.worldoftanks.com/index.php?/topic/286163-so-i-made-a-macro/
Basically, anyone with pair of eyes and few working brain cells could do this at low server population. I sometimes used this "exploit" when server population was under 10-15k (late night on EU server, NA server is prob easier to rig).
Problem starts when tomatoes start using this macro to alter MM and it causes problems due to widespread usage. Then WG is forced to take action, easiest one being disabling leave queue button for 5 seconds after joining (edit: or removing tank count from interface). Either way, he is