Using Chromium-based browsers means you give Google, the surveillance company that works with ICE and the military, more power over the web to do stuff like push Manifest V2.

Everyone has their own ethical standards around this but I think Firefox is clearly seen as the browser to use if you care about the open web. A lot of people therefore feel the need to defend their preference for a Chromium-based browser.

IMO that obfuscates the fact that even non-Chrome Chromium based browsers still affords Google massive influence over the future of the web.