I get what you are saying, but I was thinking more along the lines of building a franchise. With the Minions, they created love able characters that have created a merchandise machine.
Heck, Star Wars doesn't seem to have been hurt by folks thinking poorly of the prequels. I think Lucas always wanted more movies, but just couldn't take the criticism from folks they felt they knew more about the universe he created than he did.
Folks love animals, much like their love of dinosaurs, fast cars, Wizards....I just feel that if Illumination was able to get us to love the personalities of the Minions, they should have no problem getting us to fall for personalities they create for pets...which can then make for merch sales...which they can be cross promoted by creating a fun theme park inviorment for the whole family...I just see it more as UNI starting to focus more on their own brands as opposed to paying to promote IP's they do not own.