Earlier quoted context omitted.
It's not just Opera though. Microsoft Edge is using also Webkit. I'm legit worried that if Mozilla ever tanks, we could have a complete WebKit browser monoculture.
>I'm legit worried that if Mozilla ever tanks, we could have a complete WebKit browser monoculture. Does that really matter much, if it's open source? A lot of software converges on one or a few standard libraries or applications.
There is another cost that people don't talk about as much, and that is the cost to understand a large, alien codebase enough to be able to understand and change it. If the effort to contribute is too high, you can't get a second group of programmers to rally around the fork, and the new project will fizzle.
As an example, Google understands the economics of code very well. They know that there is little threat to market dominance for them to release Android or Chromium as open source.