@greedy when you see someone you think might be interesting, click on their name to scroll through their posting history. It might have been a one-off fluke that intrigued you or a trend in their postings.
Now I never watch either the local or federated timelines, because I already have plenty of relevant stuff to read from the folks I follow.
Sometimes I still follow even more, because of who They boost, but I try to keep it down, so I read all those whom I follow.