Both SC2 and BW have two sets of maps, UMS maps with custom settings used for fun games and competitive maps made to be racially balanced and produce "good" games. In SC2 UMS maps are part of the arcade where as ladder games are played on tournament maps. The same is true for BW but blizzard didn't have an official ladder so 99% of the games on battle.net were UMS maps, but ICCUP ladder had the same competitive maps you see in SC2.
As far as the glitches are concerned, they were undoubtedly beneficial to BW, as the last balance patch was in 2001 when the game was in its infancy as far as strategy goes. For example TvZ could not be played in its current form without muta stacking and terran's still have more success despite it. 99% of players would never use these tricks of have them used against them, but it allowed for the game to advance strategically and added an additional element of skill.
Both SC2 and BW have two sets of maps, UMS maps with custom settings used for fun games and competitive maps made to be racially balanced and produce "good" games. In SC2 UMS maps are part of the arcade where as ladder games are played on tournament maps. The same is true for BW but blizzard didn't have an official ladder so 99% of the games on battle.net were UMS maps, but ICCUP ladder had the same competitive maps you see in SC2.
As far as the glitches are concerned, they were undoubtedly beneficial to BW, as the last balance patch was in 2001 when the game was in its infancy as far as strategy goes. For example TvZ could not be played in its current form without muta stacking and terran's still have more success despite it. 99% of players would never use these tricks of have them used against them, but it allowed for the game to advance strategically and added an additional element of skill.