He owns lots of maturity-mismatched assets. He hasn't done much with gold. He's bought into lots of highly regulated companies. And he advocates punitively high

He owns lots of maturity-mismatched assets. He hasn't done much with gold. He's bought into lots of highly regulated companies. And he advocates punitively high income taxes on some activities, and high income taxes on most other activities. So no, I don't think Buffett is a Rothbardian. He's similar only in the sense that he understands economics very well.