There's a lot of federal money for Medicare expansion that Red states don't take as part of a dumb anti-Obamacare protest.

Their voters don't seem to care, and the federal government can't force state governments to do anything, so ¯\(ツ)/¯

https://www.kff.org/medicaid/issue-brief/status-of-state-medicaid-expansion-decisions-interactive-map/