Did they remove it due to low usage numbers?
Turns out those "few users" are big aggregator scripts and proxies for hundreds, thousands users each :)
Example: https://twitter.com/intenttoship/
Example: https://twitter.com/intenttoship/
I do tend to automate things in corporate settings in ways which differ from personal use, and I have seen many similar features break or disappear.
Anyone who automated anything based on RSS now has something broken. I bet that's a lot of enterprise use.