Also please note that on HN it's unfortunately popular to crap all over something.

And to add to that remember a large part of your user base may not be hners and have completely different tastes and challenges and delights with the UI

His point is that he expects it to be worse or as bad because the same process that built Blender is the same process that upgraded the UI.

The problem with that reasoning is that most of the UI aspects that people like to complain about (including right-click-select) were part of the original closed-source application, and thus not a product of the current community-oriented process.