Probably terrible. Certainly disorganized, and contains many claims that Taleb has discovered/invented some principles that likely are not the absolute laws he thinks them to be.
But what made me stop reading was the constant nastiness. He's continually bashing other people, individually(!) and in groups, often to try to bolster his points (which doesn't work) or seemingly for no reason.

I'm too lazy to say more, but go read
https://www.goodreads.com/review/show/2370407804?book_show_action=true&from_review_page=1

Oh, this is relatively minor, but if you want to say "bullshit" in your book, then just say it, instead of "bull***t" everywhere.