We should already be used to this. We're used to seeing the phrase "Your statutory rights remain unaffected". A site's ToS, a store's policies, etc do not override your rights available by law.
If a shop says "no returns", what they actually mean is "changing your mind or deciding you don't like it isn't a valid reason". But you can still return something if it's faulty, isn't as described, or isn't fit for purpose - because they're your legal rights, phooey to the store's return policies.
It's my understanding (which could be wrong, is constantly evolving, and desperately needs test cases) that being able opt out of unnecessary PII collection or processing is a legal right, and phooey to the ToS that claims otherwise.