It's not really a surprise, it's SAD that they would make that much. If you don't see that, that's problematic. Them making doctor salaries when they are nurses is pretty sad for the medical profession.
You have no idea what physicians are making. Or at least what non primary care physicians are making.
I'd agree that pediatricians and internists and family practitioners get paid too little for the great care they provide.
But if you understood the politics of the rural pass through legislation and how that worked as well as how reimbursement in anesthesia works, you wouldn't be SAD about the salaries for CRNAs. There are other reasons to be MAD.