The comments suggest that she's offended quite a few "vegetarians" (smug evangelicals tend to use it as a noun, rather than an adjective, which has long since been my own preference), but I thought this was one of the funniest, truest things I've read in ages...
http://www.guardian.co.uk/commentisfree/2009/jun/17/vegetarians-meat-free-mondays-mccartney Next up: a locked post bitching about work...