Google teams have lots of autonomy, including from people like me.
For people who use Google Wallet, the experience works.
I have a secret project which adds four hours every day to the 24 hours we have. There's a bit of time travel involved.
You're going to have 100s of millions of users on Chrome, spanning mobile, tablets, and desktops. That is one unfragmented base. That uniformity is probably better than most of the issues across browsers.
Computing is evolving beyond phones, and people are using it in context across many scenarios, be it in their television, be it in their car, be it something they wear on their wrist or even something much more immersive.
Open platforms historically undergo a lot of scrutiny, but there are a lot of advantages to having an open source platform from a security standpoint.