Titles are really a trap cannot reveal the real work, everything it's related to the size of company, type of organization and sector.
A "top" position in a small company could be a mid one in a big tech but with a narrow field compared to the small one when sometimes you need to refill the coffee machine. At same time the flexibility of small one helps to solve problems of big ones.
An alternative, open and freely accessible OS for mobile computing is always good for a healthy market. Most of us have a limited view of the global market and don't know which areas prefer de-Googled OSs. If all of India or Africa decided to ditch Google, it would be a massive shift. We cannot forecast if the West will slowly decide to move to other solutions inspired by tech-savvy users or by becoming more privacy-conscious. It will take time, but desktop Linux is also slowly growing.