It's under 450 words which, for an average native English speaker, will take about a minute and a half to read without skimming to find the important bits. It's rather disappointing if something so short needs to be summarized.
His summary is under 25 words; you can read a lot more such summaries in 1½ minutes.
This is why Google SERPs return a snippet and not the whole page of text for every page. Summarising is a very useful thing. What is it about saving time that disappoints you?
