libertarian? Rand Paul cares about the debt when it's helping heroes from 9/11. He didn't care when billions were added to the debt because of Trump's tax cuts for the wealthy. In my experience, every libertarian is a selective one who is never consistent.
https://thehill.com/homenews/senate/453519-rand-paul-blocks-senate-vote-on-9-11-victim-compensation-fund?amp&__twitter_impression=true