And it’s not like Microsoft, Amazon and Facebook who all tried to enter the smart phone market and failed were some poor underfunded startups.
That doesn't mean that people today are choosing chrome and google search, as they come by default on their smartphones. Most smartphone users don't even know that the browser and search engine can be changed rather easily.
It’s only the default on Android.
Search engine is a different story but people like Google enough they’ll change to Google anyways no matter what the default is.
In the US, only 40% of buyers are buying Android phones. On desktops, Chrome also has a majority market share and 97% of desktops don’t come with Chrome as the default.