I listened to it, Dillon is way off base in one thing, he conflates FAKE libertarians like Kochtapus with real libertarians.
Dr Michael Rectenwald explains the principled libertarian position on immigration which is based on property rights
This Is The Libertarian Position On Immigration According Their Top Presidential Candidate
https://youtu.be/v3vd_MATR98?si=-xOS1HMwHMxBVfxe