Doing that is actually fatal... Cpt. Harkness only "lived" because he's immortal. He came back to life a few moments after they landed.
But, that said, I'd take my chances too.
Considering none of the comments actually say "Doctor Who" they just say doctor. And I didn't say doctor who in the title I'm guessing the guest is trying to be a troll.
But, that said, I'd take my chances too.