Just to note> There is no sig.camp. spam 
so people say what they really wanna say and they are not getting paid for doing so 
There is no sig spam yet, if the community gets larger and becomes an official bitcointalk channel, I would expect some members to use it as an avenue to promote their businesses. A signature is unlikely, buy we could get spam posts being made just to advertise links. so people say what they really wanna say and they are not getting paid for doing so Guess if this will be become a problem that spam posts being made more and more the Users or the User will get kicked and maybe banned there also !
They already working on some things like Verification that will should solve the problem with bot accounts.
For now there is no problem with Spam or something like that .