or people could stop buying from tombstone vendors that are complete idiots. Some vendors are smart enough to buy a properly licensed object (of the gazillions out there) and embed it into the memorial. Problem solved.
Did you really think this is the first time someone wanted to do something like this? The parents just need to stop shopping at Billy Bob's Discount Tombstone & Tackle Shack if they want something atypical.
or people could stop buying DC Comic's shit for being the dicks they are since they could very well license it to them but are refusing. Of course, that will never fly because of asshats like you that can't see a parent's grief in their murdered child.
Talk to me about "licensing" when it is YOUR child.