My local silver dealer insisted I bought one ounce rounds. He told me it was a better value but refused to explain it. Could one of you explain it?

Reddit: r/Silverbugs reports: My local silver dealer insisted I bought one ounce rounds. He told me it was a better value but refused to explain it. Could one of you explain it?. Full body text was unavailable at ingest time, so this brief is based on headline context.