I personally chose not to get one because it wouldn't cover all of my pain and because surgery never ends well for me. That said I don't think making a blanket statement that they're all bad is beneficial because some have fairly good track records and help people a lot.

Who is your doctor that's the specialist? Is it one of the big CRPS docs that's well known or someone else? Every PM can have an opinion but that opinion doesn't necessarily make it a fact, ya know?