His writing is surprisingly good. I enjoyed it from an outsiders view with little knowledge of particle physics history.
https://www.lurklurk.org/wolfram/review.html
"Wolfram is careful never to actually claim credit for something he hasn't produced; however, he's good at wording the main text so that it implies he has discovered things. "
I would not be surprised if this writing was much of the same.
I do agree he has a reputation and that the points in the lurklurk article are valid. Clearly anyone well-read enough can pick out the inaccuracies and the presentation is sometimes way out of scope for normal scientific publishing standards.
In my opinion, to sell copies some some publishers like to fly a bit too close to the sun but that's industry standard now.
But I don't doubt he has staff writing for him. His is a brand name.
BTW he's written a fine summary of the history of particle physics during those years, which is rare indeed, because you have to be an insider to care about such things and then have the opportunities to get them straight. He's a theoretical particle physicist talking about his profession after all, even though he's been busy with other stuff for many years. Of course he can write this.
Folks here should really read the article. I just can't tell anything about the personal anecdotes, but everything else is spot on.