If I remember correctly "the algorithm" as a concept of feed curation has been introduced by facebook ( or youtube?), long after RSS was used by blogs and podcasts. Heck, even Twitter used to have an RSS feed they killed a looong time ago [1]
I also remember that in the beginning I was chuckling to myself "who on earth would want to have their feed curated by a black box whose target function cannot be checked? If I wanted that, I could just keep reading a single newspaper." - turns out I was very wrong and lots of people seem to prefer just getting washed in a steady stream of somewhat internally consistent worldview.
Would be really nice to see RSS make a comeback
[1] https://sociable.co/social-media/twitter-rss-feed-creator/
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