I have to agree with SAS, some people just don't know about the alternative methods. I found out about e.g. Soft Paws only on this forum. And if we think this is important, we have to explain it to people. More people know, better for all the kitties. Still, I think, it should be forbidden, this way more people would know that this is cruel and they have to find alternatives.
Fortunately, they don't declaw here, and I would have never thought of doing it to my kitties.