A business monopoly is bad, but a technological monopoly is often just a standard.
Nobody gets upset because every OS under the sun uses OpenSSH rather than competing with their own implementation.
In contrast, Apple competing with USB with their own connectivity standard has a negative impact on basically everyone.
Spin the Chromium project off of being in direct control by Google and into an industry organization and I’d be happy to settle on one browser engine.
Heck, if my iPhone got to use Chromium it would be an improvement.
All the proprietary corporate stuff on top of Chromium isn’t part of the open source project, anyway.