I mean, he doesn't owe me anything. It's his right to ignore this PR, his right to disagree with this PR and his right to close this PR.
However it becomes rather condescending if you're asking your contributors to jump through hoops to get their changes merged. He already had reviewed them and they were reasonably partitioned. It may not be his style of workflow, but then just say "thank you" and "I'd prefer it some other way next time".
This is public, I'm not exposing anything.