The GDPR was a huge blessing for everyone who was tired of large companies, many of them from the States (which wouldn't matter except the attitude of "you can go fuck yourself" is much stronger in US companies) trampling all over their right to privacy. It has made the privacy situation in the EU a lot better. If that doesn't help you, it sucks for you - but saying it's a mistake is denying the nuances that are present in the situation.