DMs, if your group is arguing about whether a rule should or shouldn’t impose advantage/disadvantage

DMs, if your group is arguing about whether a rule should or shouldn't impose advantage/disadvantage, remember this: we designed the game assuming you make on-the-spot decisions about whether advantage/disadvantage applies. For more info, see p. 239 in the DMG. #DnD

— Jeremy Crawford (@JeremyECrawford) February 12, 2020