SV,
I'm not sure my TEFL certificate is toilet paper, but I did suffer denigrating comments during one language school interview that my TEFL course didn't fulfill the school's 120-hour requirement. When I went on to explain that I had completed 180 days of observed student teaching in California - that's DAYS, not HOURS - and had worked for more than a year at graduate school to earn a linguistics minor with emphasis in second language acquisition, the response was, "But your TEFL course wasn't 120 hours..."
As for the CELTA-certified teacher who gave me a tour of this language school (rhymes with "gay-ewe-ay"), he was inarticulate with a poor command of English: "Like, this place is, like, really cool with tonsa stuff, that, like, anyone can use, like, just take it, y'know, and, like, you bring it back, y'know..."