Having been on the receiving end of someone trying to manage me like they do with their kids - No. A really strong NO to that behaviour.

You can achieve that trivially with such young kids by simply leading by example, not having snacks and junkfood at home and so on. We eat a lot of healthy stuff, so our kids do. You are still their world and define many patterns they will follow later subconsciously.

That doesn't translate that much into say teens but it lays a solid foundation.

Raising kids is a fabulous experience for management of kids. Trying to apply the lessons to adults... I pity either the manager, or the adults.