We don't inject and never have done anything like injecting ads into a publisher's own.
Why did you write this? Where did you read it? It's false, and you can check this by running Brave, even old versions that are still available. Please check your facts.
On collecting contributions on behalf of creators without their knowledge, the collection was a blunder but the funds were ours, from our token user growth pool. We were not taking funds from others. We fixed this as soon as I caught it, and I'm sorry I didn't catch it sooner.