Discussion Forum—A Way with Words, a fun radio show and podcast about language

Even though I can relate to some of his frustration, I would say that he's the latter:

http://www.neatorama.com/2009/08/23/punctuation-hero-or-vandalizing-grammar-nazi/

On a side note, I think that it's cool that there's actually a grocery store where I live where the signs at the express lanes actually read "10 items or fewer.