We actually have, as part of https://natlawreview.com/article/nad-examines-privacy-statem... "The NAD found the claims supported by the evidence which included a third-party expert confirming that the company’s measures (encryption, tracker blocking, and private searches) protect against the three largest categories of personal data collectors."

In terms of money, as the article notes we have 3% of U.S. search market share. That's a lot if you consider how much Google makes. Now, in part because of our search privacy, we make way way less, but it is still enough to be profitable. That said, that means we could be way way more profitable if we tracked people, which we don't.