"on this view" is not a phrase that I would naturally use in this way. However, I doubt that it is a typo in this case. I think it is a preference or style of the writer.
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MustAskAre those just typos? IN my view, they are.No. It's "in my view", but when discussing the principles established within viewpoint itself, as is often done in academic work, it's very frequently "on this view". Here are a lot of examples: