I think as long as everyone (people and dogs) is well behaved and clean (again people and dogs

) I don't have a problem with it. There should be a sign it's a mixed spieces resturant incase people dont want to eat in mixed company.
There have been a few times I thought I was eatting with animals but turned out to be just Rug Rats running around without a responsible owner -

oh did I say that out loud? Now I know what age I start sounding like my Mother....