Disney just draws little characters for movies. Any company could copy that and they do but they are still not Disney.
Starbucks just makes coffee. Anyone can do that and so many others do.
Chuck E Cheese already does this (sort of). That has not stopped GIGL from creating a strong customer base at its locations probably due to the package of great food, a space for parents to let down their guard a bit, and fun times for the kiddos.
It is all about the secret sauce, in this case, maybe the Tricky Treat Sauce. :)