Everyone in the world would have loved a Hobbes animal. He could have made a mint off of that. Which makes his decision not to merchandise one of the most impressive displays of artistic integrity I know of.
And as to killing the magic, I'd think it's safe to presume that anyone with the agency and means to obtain a Hobbes doll could also can handle the fact that Calvin lives inside a comic strip with his Hobbes, but the one you've got is different