>Also you can't claim he ignored your many requests to stop, because you never made a single request to stop what can be interpreted the same way by both of you, he probably thought he followed them. Again, you were using this as manufactured justification to ban him.

One could attempt to make this same argument over virtually any ban ever. There doesn't need to be a reason in my opinion. HN has never allowed freedom to express any opinion you want. A pattern of unpopular opinions tends to result in an automatic hellban, for example.