Perhaps if you kept up to date on the happenings within your own forum you'd know why that accound was banned.
If you left, would anyone notice? Would anyone ask where you went?
If you stopped posting, would it change the community?
A spam post isn't just short, it can challenge the max. character limit and still be spam.
Nobody cares if you post, nobody wants you to post. The only reason someone wouldn't want me to post is fear of getting "PWNED" (I don't like using that phrase, I mean, 3 years ago maybe but in 2006? Come on).
Re-read this topic with unbiased glasses on and ask yourself at the end "Who do I think won?".
PS. Who's phi and when did I mess with them?