>>13954658
A few reasons, but namely:
>Video games are "art" now
>The increased fidelity of art assets in games means that making a gore system would take a lot more time for the artists now than it would have back then And as we all know, artists are lazy faggots
>If an M-rated game has no gore, then you can market it to children and not worry about the soccer moms autistically screeching at you.