NuffCatnip: Is the first post worth a read ? :P
Depends on what your stance on recreational chemicals is.
If you believe it's OK to kill a few brain cells every so often for the purpose of entertainment, then yes!
If you don't like that idea or have trouble cleaning your mind after encountering pollutants, then no!
Just don't argue with him. There are two reasons for that. Based on the quality of arguments the OP is making he is either vastly unintelligent or (most likely) crudely trolling. In either case, responding to him is counterproductive.
My personal theory (though I have little proof so far) is that he is attempting to join the -300 club.