It’s clear Matkiko is acting like a self-appointed "policeman" of the internet, trying to dictate what people are allowed to hate or enjoy. On platforms like Imgflip, users who go out of their way to "ruin" others' art or spam "No One Cares" are typically looking for an emotional reaction. Whether it's Barney, Seasons 10-Present of SpongeBob, or Norm of the North, your opinion is yours to have.
By calling him a "Childish Dad-wannabe," you’ve identified that he’s trying to lecture everyone as if he’s the authority on what’s "old news." However, the most important thing to remember is that his harassment and threats are much more serious violations of site rules than his bad takes on cartoons.