Not another....
Methinks the EU and other bureaucratic institutions have completely the wrong focus in controlling trivia like cookies. There needs to be an investigatory process for sites which leak bulk quantities of contact details. This is far more important. Needless to say, where negligence is proven to have been the key factor, there should be 'subtle' discouragements to repeat occurrences.
Meanwhile, it shows the advisability of using a throwaway email address for these kinds of signups.