And this is the dangers of relying on a private, corporate, for-profit law-bound organization. They're susceptible to abiding by the laws and of course, there is a cost attached to all of this. Exploiting a free resource, as we all do these days (reddit, youtube, facebook, hackernews itself etc) is all well and good but maintaining history is expensive (content needs moderating, you are required to abide by the GDPR…
But giving a "export all the data in xml/json/whatever" button, and maybe even opensourcing the now-abandoned component serving this data, would be nice move. The first part could even become a regulative requirement some day.