Bezos asked his security consultant Gavin De Becker, to conduct the investigation he did and published his oped in a month.
The brother bla bla bla is just a distraction deployed by those who want you to believe NSO wasn’t used on to hack the phone of an American citizen.
https://www.thedailybeast.com/jeff-bezos-investigation-finds...
We discussed it here as well https://news.ycombinator.com/item?id=19532185