I really don't think that is a "great" hack. If I saw that many supply crates I would know someone was there and go K them. It's like a big "Enemy Here" sign! And it's not like all those supply crates won't benefit the enemy team too.
As an aside... the arty hack does suck alot, and the cartillary hack. Had that one used on me once. It really sucks when it's raining desert buggys!
As an aside... the arty hack does suck alot, and the cartillary hack. Had that one used on me once. It really sucks when it's raining desert buggys!