firstpastthepost: I get GoG adding actual old games that most people would consider bad because of nostalgia for them among some people. But these devs putting out games like this don't understand how nostalgia works. People are nostalgic about the experiences they had with a specific game, not with bad interfaces and blocky graphics. For a new game to successfully mine nostalgia they need to understand what made the best of the genre at that time good, take that and expand on it. Games like Shovel Knight do that well and that's what makes them good. This game looks inferior to games that came out in the 80s.
Even though I created this thread and want this particular game on GOG, your point really resonates with me and its one I have made myself in other threads. I think what you are pointing out here is a HUGE problem within indie games. Contrary to popular belief that indie games are where all the innovation is, the deliberately blocky graphics are a sign of stagnation. As pointed out earlier in this thread, some old-school blobbers do have shadows and graphically look lightyears better than this game.
That said, GOG accepts many, many pixel games (ok I am struggling to think of one without shadows, but still, that seems like such an arbitrary criterion on GOG's part). To me GOG is where PC gamers go to buy old-school RPGs including the dungeon crawler blobber sub-genre. I feel games like this, even if they could maybe be better in areas like graphics, still belong (and I would argue GOG, or at least its original vision from years ago, was about "gameplay over graphics" anyway).
We also see how developers are with the singleminded obsession with Steam. In the RPGCodex thread, it was unclear if the developer would put the game on his own site despite people clearly asking for that/to put it on itch.io. My worry is that, like so many other games we have glimpsed over the years, it will just stay Steam-only. While it is DRM-free there, there are many of us who don't wish to purchase ANYTHING there. But even those who are DRM-free gamers would have to hold their nose and purchase there to get the only DRM-free version available anywhere.