alt Hacker NewsCitation needed. I've seen the opposite--unless there's a very specific niche that can't be otherwise solved, there's huge internal resistance to going it alone.
The biggest counterexample I can think of: WebUSB was critical to Chromebooks supporting external devices, but I can see why Safari might not want it. It has Firefox support at last, though.
Citation of what exactly? That not all browsers implement the same thing at the same time and that some features are Chrome-exclusive because for one reason or another other browsers refuse to implement it?
Is that really something you need a citation on? You sure seem to have come up with an example of your own.