That's kind of true. Preventing the sale of it will make it harder for it to be used against you. Even if scammers can still buy or download your data from the darkweb your future employers and the companies you interact with are a lot less likely to go that far to get their hands on it, so all that data being out there will impact your life less and less. Even better, fewer places will be collecting new data about you. Your social security number and date of birth don't really change, but your income, medical conditions, home address, spending habits, sex life, and location history do.