> Unless you have an army of software engineers on par with that of Google
The main thing that is affecting adblockers with this MV2/MV3 change is the ability to dynamically block requests themselves rather than have to give a pre-computed list of patterns to the browser.
We're talking about hooking into right before http requests go out and make them fail here. Let's not pretend that maintaining this capability is out of reach for any serious fork if they actually cared. Let's also not pretend it's more than a few hours per month of dev time per month to maintain it (and most months it will be 0 hours).
And before you ask: Yes, I have worked extensively with chromium's codebase when I worked for a kiosk company.