As the father of two teen daughters, I could not agree more.
Let ‘em be.
You are right. Leave those 2 precious children. The price they will pay will be later on in life, when they figure out they have 2 of the biggest POS parents in the world. Its not their fault.
Kids need to be outside palying, instead of sitting in front of the TV.
A preteen girl need not look like a runway model. That is an unhealthy weight, and an unhealthy obsession, and a outdated mindset (that the value of a woman/girl is defined by if men like to look at her or not).
A twelve year old girl at a healthy weight SHOULD look a little chubby by Hollywood standards.
The diets and obsessing over what men think of how they look will start up with a vengeance soon enough. Why stoke the fire and destroy the last days of their childhood?