They specifically made fun of the character because he's insufferable, disgusting and cartoonishly foul. Out of all the bands I'd expect to be anti-fascist, I think Gorillaz is somewhere on the top of that list.
People forget that Doom Slayer is humanity's last bastion. Every single other faction in the franchise is incompetent. He doesn't kill humans. His enemy is humanity's enemy.
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It's funny because Foxy is somehow the most aggressive.
Freddy Haunts, Chica makes Mr. Cupcake do the dirty work, Bonnie just goes for the kill and Foxy hunts and stalks.
People say this is abusive. I own several cats. They will LET YOU KNOW what does and doesn't fly with tham and have different preferences and dislikes as per the attention they receive. This cat is perfectly comfortable and calm, as well as alert and healthy.