Earlier quoted context omitted.
Outside of the first world those phones are often running on other brand processors, e.g. mediatek
The comment I was replying to was about advanced devices in general, not specifically TSMC. That said, MediaTek is not the greatest example here -- they're fabless, and most of what they design is fabbed by, you guessed it, TSMC. The better counter-example would be Samsung, who fabs at least some of their own chips.
No, I meant TSMC's advanced tech