They only care if targeting that audience is more efficient at driving purchases than other tactics (like context targeting). So they don't care if they drive

They only care if targeting that audience is more efficient at driving purchases than other tactics (like context targeting). So they don't care if they drive people like me to block personalized ads? Ok, fair enough, I will carry on --- until personalized ads are banned outright or at least legally restricted based on stated personal preference (aka Do Not Track).