1 in 3-4 americans have preexisting conditons which will now cause many of them to be not covered. It could be you or your family. When students graduate from college at 22 or 23, and if they dont get a job right away, they end uo taking huge health risk. That will not change. It could be your son or daughter.
It is usual for people not to think about htese things when they are not affected. But when they are affected they change their minds. When you fall sick you need care not ideological purity.