j.j I teach lower elementary so it hasn't felt super necessary but I'm worried they might complain. I think I'll give out some fun reinforcement activities for class points and not for grade credit. Esp. since a lot of my kids don't have much support at home so it doesn't seem fair.
Plus they're in class for 7 hours a day! Let them have a break and a chance to be kids.
Let them complain. Unless you can justify a pedagogical reason to give homework at that age, don't do it.