Title is tongue in cheek, of course—they probably are gamers. I get that making a game is complex and full of trade-offs, and you can’t please everyone. Still, there are certain design decisions that just feel like they weren’t made by people who play games regularly.
When things aren’t balanced. It either tells me the devs do not play their game or they have a dominant strategy and don’t bother playing anything else.
I’ve heard stories from professionals and you would be surprised how many devs don’t actually play the game they are developing.