Delusional to think a paid subscription would keep them from selling your identity to the highest bidder. Even if you sued them on GDPR bases they’d gladly take that loss if you somehow won so they could keep abusing you.
It’s just another revenue stream to make people feel better about their poor financial decisions.
If the data is that important to them that they kill the site, then they’re more dumb than I think. Apps can be scraped too. It isn’t even difficult.