You do not and you cannot. It was written in stone once Chrome dominated the browser market. What Chrome (Google) wants, Chrome (Google) gets. Despite all the good engineering Google wants to sell ads, that's all there is to it. And the result is this proposal.
> The saving grace here might be that Firefox won't implement the proposal.
It's irrelevant and we are an irrelevant minority. Unless people switch to FF in droves the web is Chrome. And they won't because at the end of the day people just want to get home from their shitty jobs and stream a show. As long as that works everything else is a non-issue.