
Vaguely, yes. The term does describe a real phenomenon; we've all seen Mary Sues (possibly RP'd one in our younger years. Cough.), and as already pointed out, there is a male equivalent: Marty or Gary Stu. They are awful.
But as the Tumblr post states, that's Batman. And no-one bats an eyelid pun intended. In fact, he's a hugely beloved cultural icon. So I do think that accusations of Sue-ism are levelled at female characters more often, because female creations and interests are more frequently derided, attacked and seen as lesser.
For example, look at the vitriol levelled at the recent woman-centric media of Twilight and 50 Shades. It's not enough for these things to just simply be shit (they are), but hating on them becomes a kind of public performance. It's a bit like that.
But as the Tumblr post states, that's Batman. And no-one bats an eyelid pun intended. In fact, he's a hugely beloved cultural icon. So I do think that accusations of Sue-ism are levelled at female characters more often, because female creations and interests are more frequently derided, attacked and seen as lesser.
For example, look at the vitriol levelled at the recent woman-centric media of Twilight and 50 Shades. It's not enough for these things to just simply be shit (they are), but hating on them becomes a kind of public performance. It's a bit like that.