I find this hard to believe. From an engineering PoV, an FB stint is definitely an indication of above average technical competency. It may also indicate you're

I find this hard to believe. From an engineering PoV, an FB stint is definitely an indication of above average technical competency. It may also indicate you're ethically challenged - though I don't believe that's true of the vast majority of FB employees - but I'm sure most hiring managers would overlook that.