User blog comment:DShiv6Man/Client version at tournaments/@comment-1894307-20130715080944/@comment-4921386-20130715200228

Yes, it's entirely ok for them to disrupt the inconsequential games of casual players. You're a casual player, you play this game for fun. You're not a member of a professional team, who is paid to play this game. The outcome of your career does not rest on you winning or losing a game.

Playing a patch behind allows teams to adapt to the changes, and avoid any bugs that the new patch may have brought up ensuring far greater stability at the highest level of play.