*snort* Do you know how many double coated dogs we shave on a regular basis?
Yeah, for the most part, it's unnecessary. A healthy dog with a good double coat does not need to be shaved.
That said, the outrage is even stupider than that huskies crappy haircut.
These dogs people want to strip down aren't outdoor dogs. They are house pets. They spend the summer in the AC and they aren't generally outside enough to get sunburn. These are dogs people let jump in their pools and lounge on the couch. I can tell you, first hand, that a shaved double coated dog does not clog up a vacuum cleaner like a dog blowing coat and I don't care how well you keep it brushed out.
Secondly, there is a matter of brushing out a dog. Most people do not know how to do this. People who've had these kinds of dogs all their lives do not know how to do this. What's more, not only do the owners not get how to really brush out their dogs, half the time the dogs will nail the snot out of the owners (part of the not knowing what they are doing)
Old dogs, temperamental dogs, dogs who are going to spend the summer jumping in any body of water they can reach? Strip 'em. It doesn't hurt anything.