Setting aside the obvious, it's just not a very good song, is it? I can't believe it took 6 writers (5 men + Katy) to come up with this damp squib; the chorus is particularly bad.
And then the clip POP! posted, there must be something wrong with your idea of satire if you have to explain it that much, she's so obnoxious and tiring.
Of course, there's been much worse shit released this year, like Jojo Siwa's Karma, Megan Trainor's ENDLESS Reign of Terror, or Jason Derulo who just keeps shitting out song after song every month; but the thing is nobody gives a crap about them and, apparently, the world did seem to give a crap about Katy Perry.