I think the player should speak, as I view them the same way I view something like Quick Looks - a substitute for sitting on the couch with friends chatting along for games I don't intend to play. Of course I rarely watch let's plays for hours, let alone to completion, but they should speak and that means they have to be
reasonably intelligent,
decent speakers,
not trying hard to be funny,
not making jokes all the time.
reasonably intelligent,
decent speakers,
not trying hard to be funny,
not making jokes all the time.