Or start your own insurance company that requires extremely good health to join with Low rates and recruit them out of normal plans. It also isolates the fatties in their kennel and where they have to subsidize even fatter people than them. Indirect method of my original plan.Give the fats the lowest level of government Healthcare for free.
Have group insurance renewals impact individual premiums within the group for obese people. Similar to how age banded insurance works where gramps pays 4k for the family plan and the 30 year old pays 1500/month