[fleddr]

"I think it's the opposite - without an "Algorithm" (instead just the simple algorithm of sorting posts by time) there's no natural way to find other interesting people to follow!"

Sure there is, it's called "effort". And that's the problem. You can scan directories of users, search based on topic, tags, explore chronological timelines of instances. Manually craft your feed like this, organically.

But I agree that this will not work anymore these days as people are used to algorithms taking care of this.