Agreed, just like most business books could be 5-7 short blog posts. But I understand the need to put in filler there to justify the price, but still would prefer an almost executive summary at the start of each book that gives you all of the essentials and leaves it open to the reader to dig in deeper at a later time if necessary.

I have a friend who just started a new role at Mongo and I'm giving him a bunch of books to read, but now he has to go through 2,000-3,000 pages of text, instead of getting the exec summary in 25-40 pages and having a good grasp of the subject and then diving in to the details where necessary.