Both movies made more than a billion dollars. All the people who went to see those movies and liked those movies won't appreciate you calling them "lazy cash grabs".
Disney won't appreciate it either. You see yourself as an oracle of irrefutable wisdom, but Disney sees you as an anonymous armchair quarterback, and they're not going to listen to you. If they wanted your advice, they'd ask for it.
Game all you want, but ration your complaints for people who actually care about what you have to say and actually want to hear what you have to say.