Google is hindering innovation around Chromium by refusing to merge upstream patches that may threaten their business interests, such as support for browser extensions on Android [1].
The same way no single megacorp can shape the Linux kernel according to their business interests, and to the detriment of competitors, it would be important to free the open source Chromium browser from Google's exclusive grip.
[1] https://github.com/brave/brave-browser/issues/4493#issuecomm...