I struggle with this. On one hand I want my children to be who they want and not be burnt out when they are 20,on the other hand too many children are never challenged and give up too easy. I went to a college prep high school and graduated in the middle of the pack, but it was quite challenging and I didn't enjoy it. But, in college there were quite a few valedictorians who clearly just coasted through high school,…
Chores serve the same function as homework in terms of teaching kids responsibility. They have the added benefit of being a real world task, not "make work."
When my kids couldn't focus on their schoolwork because of video games, I locked up the controllers until school work was done. It wasn't punishment. They got them back as soon as their work was done.
When I got tired of one son blowing off household chores because he wanted to see his TV show, so he would ask if it could wait for a commercial, but then he never remembered during the commercial, I began telling him "No, this needs to be done when I ask because I'm spending hours begging you to do it and it's an unreasonable burden on me." After a few times of having his TV shows interrupted, he began taking out the trash voluntarily before his shows started and asking if there were any other chores he needed to do so he could block out uninterrupted TV viewing time.