> Yes, but those usability people have a tendency to design interfaces for the lowest common denominator. This often ends in disaster as the lowest common denominator often cannot even navigate a “usable” interface. Meanwhile, those who aren’t in that group feel almost infantilized.

I fully agree with you. But ...

> I will take my extremely dense UI over an accessible interface that shows only 10 rows on a spreadsheet in 24 point font. Think of those with low vision!

You will be Ctrl + FrontMouseScrollWheel to read your 3rd monitor too eventually.. be nice on HN.