I know in Europe we have the GDPR regulations and in theory you can get bad information corrected but in practice you still need to know that someone is holding it to take action.
Then there's laundering of data between brokers.
One broker might acquire data via dubious and then transfer that to another. In some jurisdictions once that happens the second company can do what they like with it without having to worry about the original source.
"We" as in the whole world really.
I know in Europe we have the GDPR regulations and in theory you can get bad information corrected but in practice you still need to know that someone is holding it to take action.
Then there's laundering of data between brokers.
One broker might acquire data via dubious and then transfer that to another. In some jurisdictions once that happens the second company can do what they like with it without having to worry about the original source.