In the end, the consensus is that Goblin no Suana exists at the extreme fringe. It is legally protected art in Japan (under strict age-verification laws), but it is ethically indigestible for the vast majority of people.
The game is banned on Twitch and YouTube. Western feminist gaming sites have repeatedly condemned it as "a training simulator for sexual violence." In 2019, a minor moral panic erupted when a Twitch streamer accidentally showed the game's title on screen for three seconds, leading to a 30-day ban. goblin no suana