LinkedIn Job Seeker Premium quality

Few weeks ago my LinkedIn Executive subscription expired. I did not want to extend at US$ 700/year, so I downgraded to LinkedIn Job Seeker Premium (not because I am looking for a job: it’s the cheapest premium subscription).

LinkedIn Job Seeker suggestions

LinkedIn Job Seeker
LinkedIn Job Seeker Suggestions

I am wondering how LinkedIn came to a conclusion that these would be the matching positions taking into account my professional history and activity.