people posting in mw3 lobbys that mpgh.net and please stop bc we can get shutdown?

I was in a 5 different lobbys today where ppl talking about hacks and where u can get them to other players its cool if u send them massage but they posting it on all players chat so that everybody can see it i think it needs to stop bc. and one more thing i think thats why averything gets patched fast bc they do this shit etc. yeah guys i just want to see whats u think about that.