I think the joke works better like this, with a hyper-technical translation instead of something more literal, since the set phrase doesn't exist in English and all.
Certainly, the audience for yuri is not as overwhelmingly male as the yaoi audience is female, and obviously, there are yuri manga that cater to lesbian women specifically, most yuri manga that have been translated into English are male-targeted. It's possible that I might be wrong about the...
Well, I'm certainly emotionally stimulated now, by how funny your incoherent comments are.
What does identity have to do with this? Yuri is mostly aimed at young men, and such fans are generally unlikely to focus on lesbian identity or any sort of "martyrdom". It's pretty safe to assume that...
Seriously? Quibbling over uniform regulations aside, are you really doubting the existence of a generalized homophobia in Japanese society? This is very easy to prove, if you'd like...