Apparently they did not give any thought to how expensive or difficult this would be to implement. I think some level of common sense needs to be applied here.
I don't think they have a lot of that...
This won't stop memes and user generated content as people will just create their own content in the public domain.
These ninnies also don't get that any exposure of their "product" is good exposure.
The company who created the minions gets it though.