Also, I don't see how fighting a potential monoculture with an actual monoculture is a solution.
For further reading: https://infrequently.org/2022/06/apple-is-not-defending-brow...
I assume they'll be forced to allow other browser engines on iOS at some point in the next few years, at which point the floodgates will be opened for Google to have free rein on web standards and further cement themselves as owners of the internet.