It's a well written and argued piece, although I must confess I'd like to have seen some references to research to back up what, for me, makes a lot of sense.
The only slight alarm bell on reading was his reference to website visitors being willing to use the browser's in-page search function (typically [CTRL+F]) on long pages which I haven't seen that much of first hand.
Frank's advice on 3 myths:
- There’s No Need to Worry About Long Pages
- There’s No Need to Worry About the Number of Clicks
- High Information Density Is Not Always Bad
What he shows through a range of examples is, as ever, it depends...Demystifying UX Design: Common False Beliefs and Their Remedies - article by Frank Guo for uxmatters.com