You can colour me totally surprised that the good people of development twitter (at least most who've chatted with me) say they believe that male people can be woman, in some real sense. And that insisting we need a word for female people is old hat (and mean and not inclusive).
The original question /thought experiment wasn't about whether they should be encouraged onto the panel, but whether a woman should also be encouraged on too (the discussion went wider than manels though)