For peers at same level in their own setting that is indeed true. When with people that report to you, might not be a good idea because, one can't tell if even

For peers at same level in their own setting that is indeed true. When with people that report to you, might not be a good idea because, one can't tell if even the laughter is genuine or obligated to. There are some instances where it might potentially help - when your team is under stress (real or perceived). Light humor (if well done), might alleviate some of the tension in the room and let them focus on work.