No. Sure, a handful of docs that have gone all in on conspiracies have been sanctioned. But any doc can "just ask questions" and have nothing to worry about as far as their license is concerned. Now, specific jobs? Sure, that's always a worry, docs included. If you aren't careful, you'll tie your image in with the crazies and idiots, and most employers don't like that. The expect the docs they employ to be respected, and that's tough when they're ranting about Jade Helm 15 or Comet Pizza.