Because teaching kids it’s OK to discriminate is cool.
This gets into all those tricky arguments about who decides what “fat” is, and what about medical conditions and… and… oh, forget it! Just oust the fatties.
Note that they’re not advocating testing cholesterol levels or resting heart rates. It’s never really about health. It’s about all that nasty, disgusting fat.
Next up: plastic surgery for teachers who don’t appeal to Aryan beauty standards!