Leaving aside how terrible D&D's alignment structure is, this would make every character subject to the same sort of nonsense as Paladins are in some editions.
And also, no.
This is certainly where I have been for years. I have no issues with demons, devils, etc. being supernatural forces of evil. That's fine. It's when you get into orcs, goblinoids, etc. that it becomes kind of troubling if you stop to think about it. (And I think now, in 2013, quite a few people have stopped to think about it already.)
-O