This - Op needs to show kid that they are the kid, follow the rules or face the consequences. - Its how it was when I was a little one... Trust me, I followed the rules - Probably because back then it was different, kids these days have zero respect.
In the old days you take their food away, and let them starve. But eventually you'd have to feed them, and the circle would continue.
I'm only here for the IT side. I have a T-Shirt for every simplistic parenting trope that will be trotted out. No offense.