Kids have too much homework! Hasn’t this argument been around forever?

That’s not what I’m saying–todays parents decry their kids not being able to play because of homework; nobody has ever LIKED home work but eventually knew it would help them later on. Granted I went to school at different era (60’s), but expectations then was play when at home from school.
then after dinner do homework until completed

Someone doesn’t watch Korean live streamers.

You fail to recognize that there’s a finite amount of material to be covered in class, especially with different students ability to comprehend data presented. Homework allows students to understand lesson at their own pace, without any peer/time pressure, which helps them keep up

see recent Hollywood mom scandal

Yes, I went to school in a different era, too. The amount of homework my kids were given was on a whole other plane. I had plenty of homework, but I also had time for extracurriculars.