Edit: My comment below was originally based on a faulty understanding of how EDDM mailers worked and a faulty assumption I based on that ignorance. What they did in reality is little more than sending out spam mail, it was not a privacy violation. I’ve removed the mention of the EDDM mailers since they aren’t relevant given this.
I’d take a peek at the wikipedia entry about their business model, which mentions some stuff that isn’t the most savory:
… Brave earns revenue from ads by taking a 15% cut of publisher ads and a 30% cut of user ads. User ads are notification-style pop-ups, while publisher ads are viewed on or in association with publisher content.
On 6 June 2020, a Twitter user pointed out that Brave inserts affiliate referral codes when users navigate to Binance
With regards to the CEO, he made a donation to an anti-LGBT cause when he was CEO of Mozilla in 2008. He lost his job at Mozilla due to his anti-LGBT stance. He also spreads COVID misinformation.
As others have pointed out, it’s also Chromium based, and so it is just helping Google destroy the web more than they already have.
You must have the distinct privilege of not living in the USA or several other Western countries.
If you mean jump ship off that ISP, there’s nothing you can do. You can go to another ISP (if there even is one in your area), who will do the exact same thing. You can jump ship entirely and not have internet, I guess.