If you can give those users faster performance and lower data usage and opportunities to cash in on the value of their eyeballs, where/when they are willing, it doesn't seem like you even have to 'hate' them, you just have to prefer something with more positive features.

Honestly, I think Brave is good for everyone - including advertisers. There are interesting new patterns to develop here, I'd bet. With every change in tech comes new possibilities, Brave is opening the door to a lot of potentially new ideas/strategies here IMO.