Hacker News Reader

I would guess mainly for synchronization between different computers and devices?

Same here:

I tried all those services, then gave up on RSS, then found Feedbro a while ago and now I use that.

(I mainly use it for work purposes: following updates from relevant projects, issues from selected github repos and a couple of people who write useful stuff about tech I use.)

Regilar users don't know what a url is. They don't choose their gear. They may, sometime, accept a simple proposal. The HN bubble is strong, you need to pop it.