Is overwhelming contribution to the Startup culture will only be well understood by future historical analysts.
1. relating or devoted to that which is not sacred or biblical; secular rather than religious.
2. (of a person or their behavior) not respectful of orthodox religious practice; irreverent.
3. treat (something sacred) with irreverence or disrespect.
That all said, I wouldn't go as far as to say profound. Just insightful commentary distilled from experience.
I'd put my bets on "mundane".
I suppose a few other proper reviews exist on the book's page, so adding another like these might be not so important.
(Also, Amazon in 2000 was quite a different thing than Amazon in 2018. It was much smaller, and much less important.)
But such rhetoric seem to be extremely effective in our community, where everyone wants and needs to feel smarter than the rest. If you can make the reader feel smart by declaring some other group dumb, you are ensured upvotes. Just consider the enormous effectiveness of pg's metaphor about the "blub programmers". People love to quote this in defense of whatever random paradigm or technology, since it is so effective to frame the in-group versus the sheeple.