I don't think that guy wanted us (I say "us" because he posted on my wall too) to notice him at all... I actually checked, like everytime I get that kind of message on my wall, and my comic wasn't even in his reading list so I guess he just wanted to use my wall as advertisement space because he thought a lot of people checked my profile or something...
I don't mind when people ask me to check their comic if it's a real demand, not a spam. Like if someone sends me a private message telling me why they asked me specifically and they're one of my readers who comments fairly often etc... then I'll be happy to check their comic out. But this was just pure spamming.
Also, I don't mind thank you drawings on my wall after I subbed to a comic (:
Anyway, good thing he got banned, he would never have fit with us gummybears :DDD