That's not about public data. Reference [7] talked about creating fake accounts to scrape.
> hiQ had prevailed on the Computer Fraud and Abuse Act (CFAA) “unauthorized access” issue related to public website data but was facing a ruling that it had breached LinkedIn’s User Agreement due to its scraping and creation of fake accounts (subject to its equitable defenses).
[1] https://en.wikipedia.org/wiki/HiQ_Labs_v._LinkedIn