The wooden double doors of de_dust2 are iconic to CS, they've stayed that way throughout the history and the game has been balanced around it, and I believe it should stay that way irrespective of the gameplay it affects for CTs in Counter-Strike:GlobalOffensive.

Much nostalgia.

Related videos:

https://www.youtube.com/watch?v=ryTkxBhZNFs

https://www.youtube.com/watch?v=7R5A0pg4oN8