Regarding being pedantic: well, I'm not sure what to say. I think confusing "could of" with "could have" is a fundamental, terrible mistake. I guess one person's permissiveness is another's idiocracy?
Pointing out that it is becoming a common mistake to confuse the verb "to have" with the preposition "of" -> pedantic!
Failing to capitalize "Nazi" according to what the Oxford dictionary thinks is best for a contraction of two German words -> HAHAHAH! You were being a grammar nazi, but ironically you failed to capitalize Nazi correctly.
Regarding being pedantic: well, I'm not sure what to say. I think confusing "could of" with "could have" is a fundamental, terrible mistake. I guess one person's permissiveness is another's idiocracy?