Yes, she claimed femshep was othered and treated as less than because she had "fem" as a qualifier, claiming that manshep was only referred to as Shepard when if she actually knew anything about the game she'd know it's ALWAYS just "Shepard" in game and it's either femshep, manshep, or sheploo (or again Shepard for any of those 3) everyone gets a qualifier. If she actually knew the series, she'd have brought up the fact that femshep wasn't advertised until the last game, an actual valid point. She's said in some of her lectures that she doesn't like video games and she's not a gamer. She uses footage from other people's lets plays without permission (which she wouldn't need to do if she actually bought and played all the games she said she would). She does things like criticizing Resident Evil 5 for having to fight a female character (Jill) to get a mind control thing off her because it makes her a "euthanized damsel" or something like that and cuts the footage to make it look like a guy beating on a poor defenseless woman, when it's a guy and a girl trying to remove a device without killing her. This kind of scenario is common for male characters as well (fighting a mind controlled character) there's nothing sexist about it but she has to be as inflammatory as possible so she can get more publicity and money.
To be fair, she was talking as much about the media and marketing for Mass Effect -- male cover image, male Shep in the advertising, male coverage in reviews -- in an Episode devoted to the phenomenon of "Ms. Male character." She did make the point that Jennifer Hale's acting is widely considered superior and that as the series went on, FemShep was at least acknowledged, but blokeShep was still seen as the default (her fans felt the need to qualify her as Fem, after all, to differentiate her from the supposed default), even though gender options were even in the actual game and differences in character were the result of player-choice rather than gender based.
Given, in the olden days of this thread, some people were saying they came late to ME because they didn't know it was possible to be a female Shepard, I think she is more right than wrong on that, although we have nicknames for blokeShep these days as well.
As to her "not being a gamer" that's a 5 year old quote taken out of context - she didn't want to play games where you're just blowing people's heads off. Who knows what she thinks 5 years later, or of games where there's more to it than ready, aim, fire? Also, even if she were not a gamer, I write about a 15th century Italian noblewoman, but I'm not from the 15th century, Italian, or any sort of noblewoman. No one has ever suggested I am therefore not qualified to say the things I say. If games are to be taken seriously as an art form, then social commentary has to come from a broader base than just the afficionados. Art critics are not all artists.
And using other people's streams is, I think, the equivalent of me using a quote out of someone else's article on 15th century writing in an article I'm working on. It doesn't mean she hasn't played the games, but you're right; she should differentiate between footage that comes from her and footage that comes from someone else. That's how academic crit works; you build on the work of others. You show patterns and repeated motifs, using the best evidence available. That's not cherry-picking; it's building a case. You show similarities over time (that's why some of the examples are old) of these patterns, to show that what was once an original idea has become a tired trope.
I don't think she always gets it 100% right, but I think she's always thought provoking.