Plus it's not like he's literally done nothing for thirteen years. He did Fire and Blood, wrote for TV, did a bunch of companion books, edited and produced stuff, and so on.
It would be nice if Winds didn't seemingly get put on the backburner, but creators really can't control their inspiration. George has as many stories to tell as hes always had, but for whatever reason he's having trouble coming back to finish the story he started almost thirty years ago, and TBH I get it.