One usecase of RSS is, ahem, porn (yes that's part of life, especially Tumblr). That's a non-trivial usecase which is the reason why I donated to TheOldReader b

One usecase of RSS is, ahem, porn (yes that's part of life, especially Tumblr). That's a non-trivial usecase which is the reason why I donated to TheOldReader but refuse to pay a subscription; and RSS readers stubbornly trying to share my RSS reading on a social network was a risk for me.