I’d smoke him, some where years ago I read it to be illegal. I seen Micheal waddle have a bird switching trees he killed. At some point the hunter meets the killer an you do what needs to be done.
I would never sneak in under a gobbler and shoot him off of a limb. If he gobbles 200 yards away and branch hopped me to get to my call, I would kill him on off the limb. There is a reason he is doing that.
How you hunt and what you would or would not do has all to do with your own personal ethics and how much respect you have for the game you pursue. Let your conscience be your guide.