If people like Brave's ad model, all the power to them. I would personally never touch it. I'm not philosophically on board with the idea that paying people to look at ads is a pragmatic way forward. It doesn't matter if it's opt-in, free-to-play games with loot crates are opt-in, but the decision to go down that road will effect their decision making process when designing new features and I don't want to be part of…
I'm skeptical of the model too, and have no intention of using Brave. But: you can also not enable ads and buy BATs yourself. This gives you a single system to distribute donations to content you enjoy. Which is actually quite an interesting concept, since it is low effort/automatic for the user and yet allows small contributions. Of course it also gives Brave a potentially huge position of power, which is my biggest…
Wasn't that the concept behind Flattr (minus the non-profit)