This idea that you can win games by playing 2 quarters only works against teams in the lower half of the league. Allowing better teams to get substantial leads, they'll bury you. It was an impressive comeback, but not an impressive win. Impressive wins are when you show you're doing your best from the beginning.
This Bucks team has a lot of discipline problems when it comes to their game. They also need to work harder on defense. They just plain stink!