Yeah I didn’t comment on the “person A paying for person B” technicality because that’s always part of the deal. It happens with private insurance too. If the lowest paid worker at a company is healthy, and the billionaire CEO has a multitude of health problems, then if they’re using the same company insurance the poor person is paying for the rich person. It doesn’t matter that they’re paying the same premiums — the healthy poor person is getting less out than they paid in, and the sick rich person is getting more out than they paid in.