Just because something is for kids doesn't mean it isn't crap deserving of ridicule. I mean, are you big Emoji Movie fan? Do you think sitting through the Emoji Movie is a good use of time and energy? Probably not.
Emoji was terrible, so that’s a fair example of a bad movie. Trolls, on the other hand, was awesome. Like all genres, there are good movies and bad ones. Have you see Dora - how do you know it is “deserving of ridicule”?