this is exactly the sort of common statement from parents that is completely impenetrably unfathomable by non-parents and may even frighten the latter a bit as to how something so superficially insipid can attain a compelling and inexplicable level of fascination
Of course, you could say similar things about non-parents playing games for hours and hours which essentially consist of bumping numbers up to higher values in mutable RAM and considering it a "good waste of time"