I don't find this puzzling at all. I think Apple wants Safari to be a great browser for the limited role they think the web should play. They are putting a lot

I don't find this puzzling at all. I think Apple wants Safari to be a great browser for the limited role they think the web should play. They are putting a lot of work into making the browsing experience better on Safari, very successfully I think, but adding tons of features that could expand the role of the web as an applications platform is just not in their interest.