With the sudden increase of data collection checkboxes in the last few days since the GDPR is in effect, I noticed more than one website claiming that for techn

With the sudden increase of data collection checkboxes in the last few days since the GDPR is in effect, I noticed more than one website claiming that for technical reasons I can't opt out of having my data resold unless I enable third-party cookies "to store my preferences". Yeah, right, I thought. But I really don't know if that's shady or just technically inept (likely both). Perhaps as you suggest many websites simply don't have the infrastructure to do anything non-trivial in the backend.