But devs and game designers (and TV series and movie directors and comic book creators) often don't have as much artistic license as they'd like, outside of the one-man-show indie scene. They've always had to cater to financial backers, their marketing department or, at the very least, their public. I remember reading an interview by the creator of Remember Me at the extra difficulties he helped himself to when he decided to make his character female (*). I imagine a few other devs would have liked to go that route, but found themselves persuaded to make their game a sausage fest to appeal to the broadest demographic for their product, and didn't have the strengh to fight it. So no, I don't think we should 'oblige' game designers or companies to do anything, assuming anyone even has the power to do so in a free market economy. I just wish we could remove the obligations some of them currently work under and let them take the risks they want to - while hoping the consumer market that ultimately pays them has matured enough to appreciate what they're doing. Some designers will crank out yet more Marcus Phoenix clones, others will go Spec Ops: The Line with their characters, or Far Cry 3; some will come out with LGBTQ characters because that's what reflects them, some will build female characters because - whether the designer is female or not - they want to tell a story that they think needs to be seen through a female optic, etc.
I'm hopeful that this is already starting. Remember Me DID get made, after all. Bioware's always been on the forefront; DA:I is a smorgasborg of diversity. And I saw a few whines of 'whaaaa, they're giving in to the SJWs, ticking off checkboxes, end of gaming as we know it, wahhhhh!' on some forums, which was irritating, particularly since most of those seemed to be knee-jerk responses with very little attempt to explain WHY they thought the characters were artificial or out of place. As far as I can tell playing the game, nobody forced anybody to do anything. These characters are FUN! They don't feel like they were churned out by committee with their fingers on the pulse of the latest trends. Most are well rounded and characterized and don't feel like a checkmark on a list. If that's what happens when you take off the blinders, if that's what's created when you let your creators go nuts, then I am all for it, and I will happily let AssCreed's assassins be four burly white dudes in exchange, assuming that's what the game designers actually wanted in the first place.
* (I couldn't find the original article I'd read about the subject, but a two-second google turned up this article, and others.
http://www.eurogamer.net/articles/2013-03-19-why-publishers-refuse-games-such-as-remember-me-because-of-their-female-protagonists)