I said "if Brave wasn't unhinged". But the core concept absolutely has merit.
There's no inherent reason you couldn't have sites opt in to another third party service, hosted by someone credible like Firefox, that just signed the connection as "paid", then distributed most of the revenue to the sites, and it wouldn't be hard for sites to take that "paid" signature and not display ads or trackers.
Look what they're doing now. They're using anti-adblocker tools to limit your access to the site, even though they know the conversion rate to people willing to watch ads is basically zero. If they had an option for "here's how you can give us money", a lot of them would take it. And there are plenty of people like me who would like to pay generally, but not dollars here and there to read single articles I have a passing interest in, and am just unwilling to allow the maliciousness (on several levels) of ads or the tracking for ads anywhere near my computer.
The concept absolutely has merit. It's basically what all the music platforms are. People are willing to pay for content when they don't have to pay individually for every listen.
It cannot even theoretically happen without a third party. Someone has to accept payments from users while protecting their privacy and redistribute it for the concept to work. I don't "just want automated payments". I want a single payment that covers my browsing behavior per month. I wouldn't remotely consider a service that actually did a payment per visit. They can keep earning nothing from me if they want to do that.