They may well be similar, however without meaning to disrespect your greater experience here, it would be lazy for me to assume that someone telling me their Egypt story applies to things you have said about Yemen, purely on the basis of you swearing on your drug stash.
edit - I feel it is a little like someone saying that they understand an aspect of the Scottish from the time they had spent in Paris, with another tourist who happens to be slumming in Edinburgh supportively saying that they would bet their last can of Tennent's on the veracity of the comparison. The comparison may be true, however there is no way of judging that without a few slightly more reputable sources.
I was not aware that Yemen and Egypt were so interchangeable. Perhaps they are not. Have you been to Yemen?