If you perceived the children’s words as judgment maybe you could’ve benefited from this form of reinforcement as a child. Kids can also grown into maintaining an internal dialogue, and not trumpeting their opinions out into the world. But the mom wanted first and foremost to show body positivity. Instructing them to “not share that with everyone you meet” might have been the hypothetical next panel.

It’s a 4-panel comic, not their whole parenting strategy.