They’ve had a history of controversy over their life, ranging from replacing ads with their own affiliate links to bundling an opt-out crypto miner. Every time something like this happened, the CEO went on a marketing campaign across social media, effectively drowning out the controversial story with an influx of new users. The CEO meanwhile has got in trouble for his comments on same-sex marriage and covid-19.
In general, it’s always seemed like it would take a very small sack of money for Brave to sell out its users. Also, their browser is Chromium based, so it’s still contributing to Google’s market dominance and dictatorial position over web technologies.