> Chrome built its market share as a non-OEM browse

while being advertised on every single web search on the biggest search engine at the time. You couldn't miss the invitation to install it at the time as it was shown to your face several times a day if you were using google.

> it's only an OEM browser on Android

Which is the biggest computing device platform in term of market share and has been for a while. Once people had associated "internet" or "web" with "google" and "chrome" it was game over for everyone else.