I cant help but think that you're just substituting x hours of tutoring/memorization now for x hours of sitting through a class later in life only they won't be

I cant help but think that you're just substituting x hours of tutoring/memorization now for x hours of sitting through a class later in life only they won't be at the same level as their peers and will either need accommodations or be bored. What's more is that those x hours of tutoring/memorization could've been filled with creative/social/emotional regulation/etc. learning that we know for sure benefits kids at that age.