5(1)c seems far more relevant than e. “Data minimization” is what’s relevant here. And the article is sufficiently vague that the onus is on companies to decide

5(1)c seems far more relevant than e. “Data minimization” is what’s relevant here. And the article is sufficiently vague that the onus is on companies to decide what is absolutely minimal - that includes, implicitly, removing inactive accounts. Unless the courts have made a judgement to the contrary.