Chrome is the de facto standard at this time and all of the irrelevant, hyperbolic nitpicking and dubious conjecture isn't going to change that. But here's a thought: WebKit and Chromium (and Blink) are open source, so maybe don't worry about it? Furthermore, if all browsers don't work the same then that's a problem for developers. If we can't have that - I'd rather see just one browser engine in use by the majority…
Chrome is not Chromium, however. Just because there is a nougaty open source center doesn't mean that Chrome is entirely free from proprietary software worries and worries about Google's commercial interests infringing upon user interests/greater web interests. Additionally, Chromium isn't WebKit either. Blink forked from WebKit some time back and the fork continues to diverge, with WebKit and Blink disagreeing on so…
The majority of the functionality that we care about in our web browsers comes from an open source library.