This is because IBP stream was done by insight, which has mostly(all?) people from tftv production. Hoping to see more major tourneys run by them in the future.

not saying he cheats or anything but on twitter he implies that it was a random "flick", not a bug (link). I wouldn't put it pass blizz to let in a weird bug like that but if i was hulk I would say "wtf?" as soon as it happened.

i never got the email and i got in last week

this might be silly but i actually enjoyed doing missions and pubs to unlock classes in dirty bomb. i dont really the f2p system as long as its reasonable for dedicated players to get everything without paying