What ticks me off is that I haven't thought of doing one of these "studies" and made a mint from it. LOL!
I've got to wonder where they get their info for these "studies". If they want to poll someone about cats, they can call me. I'll give 'em more than they bargained for. :-)
I'd say a veterinarian who doesn't know dogs can smile is simply in the business for money. I'd say a vet who's in it because they love animals would know.
It's because you are not working in R&D and in desperate need for funding in order to keep your job.