NTR is pushing a decadent ideological narrative that many feel a strong "primal" block against. The shattering of trust. To actively seek that out is masochism. As a man, quite frankly, it's revolting and degrading. I know i'm looking way into it for this game, but I mean this in real life too. It makes me angry
I get you, however, if you look at it through the lens of doing the cucking/stealing, then it opens up the avenue of a lot of great artists/games. (Though, this is one of the reasons I hate "ugly bastard" tags, as arrogant as that may sound) It also helps if you just don't take entertainment seriously and can easily seperate fantasy from reality. (The vast majority of people just don't act anything like what you see in these)
And even though I say that, and you'll find a lot of NTR enjoyers on here say, "I don't self-insert to the one getting cucked" I would bet money that most of them absolutely do. I don't really get the NTR thing at a base level kink, but who the fuck am I to judge? Incest is hot and I couldn't tell you why it is to me, considering I find no one in my own family attractive.