Whatever the comments were, they were the choices of the posters, and they should be free of encumbrance to voice their opinion, maybe misguided, but their choice.
Personally, I found the "nice shot :thumbsup:" very irritating to say the least, but nothing I could do, nothing I should do, and nothing the admin ought to do.
hmmm ... but how come i don't see you getting irritated when other people say your picture is ''nice'' ?