True, but there's a wide range of things that can be done to change how difficult it is to find those 0-days, while also provide good incentives to those capable of finding said O-days.

Writing the iMessage parser in a memory safe language is a step towards a "new paradigm" [0], but more can and should be done by a company Apple's size.

[0]: https://googleprojectzero.blogspot.com/2021/01/a-look-at-ime...