WebKit (as used by Safari) was a fork of kHTML (written by the KDE team). And Google forked WebKit. Now we have dozens of Blink forks including Microsoft’s own

WebKit (as used by Safari) was a fork of kHTML (written by the KDE team). And Google forked WebKit. Now we have dozens of Blink forks including Microsoft’s own browser: Blink. I think it’s pretty safe to assume that forking the code is a low incentive for change