No. Bigger marketing-budget and better positioning in reaching users. If they use google with a non-Chrome browser they will be prompted to install Chrome because it is better. Some people might have just installed it so Alphabet would stop nagging them. Youtube supported some old deprecated protocol that only Chrome still supported so the users perceived youtube as performing better more reliable on Chrome, and it also gave Alphabet an excuse to say:" This does not happen with Chrome". Slyly withholding the information that Alphabet created this unpleasent user-experience in the first place.

So that smells of deceit, and manipulation to me.

Thus, even if it were true that Chrome is more performant than any other browser, I would not put my trust and security in a company resolved to use these types of actions.

//Edit

Just because I mentioned the Youtube thing twice already. In case you want to have a source: here it is https://www.zdnet.com/article/former-mozilla-exec-google-has...

// Edit 2 Well I just found out that Chrome is dropping/has dropped Certificate Pinning. How is that for improvement of the security of you user-base? FF still supports it.

//Edit 3 There was also a paper trending on HN on how QUIC aka HTTP2 threatens a user's privacy. The design-decision was explained with performance in the paper; I can get that talking about a protocol concerned with speeding up the internet, but coming from a company monetizing surveilance and targeted advertisement, is very disquieting.