> My impression is that Apple's threat intelligence effort is similar in quality to Google's.
We have a lot of direct experience with Google not having much of a clue about how their own devices are being exploited in the wild. The overall approach does not provide as much insight as it's marketed as doing.
Ok, come on, be reasonable. You finding a Cellebrite price list does not mean you know more about how Pixels are targeted than Google because their marketing team put something out saying they’re super hard to hack. I have worked directly with Google’s threat research teams and they are well aware of their limitations while also having better insight than you’re giving them credit for.
My impression is that Apple's threat intelligence effort is similar in quality to Google's. Of course external parties also help but Apple also independently finds chains sometimes.