https://epic.org/documents/linkedin-corp-v-hiq-labs-inc/
> HiQ has created two specific data products targeted at employers: (1) “Keeper,” which informs employers which of their employees are at “risk” of being recruited by competitors; and...
My hunch is that HiQ simply looked for spikes in activity on LinkedIn as a signal for a job hunt: https://news.ycombinator.com/item?id=47566893
In any case, this lawsuit was discussed a few times on HN at the time, and IIRC there were a fair bit of support for allowing free scraping of "public information." Interesting how the sentiment here has turned these days...
The simpler explanation is that they aren't doing that.
So this probably depends on the country.