FeedBurner

Raised as a usability problem by 4 people on Hacker News over 4 years (2009–2012), in 4 threads.

People raised many different problems with FeedBurner, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 4 complaints

Feedburner links are opaque and break when the service goes away, forcing manual redirect work2012-12-09
Landing page confusing; unclear that the service still works while the blog is shut down2012-10-04
All time graphs load slower since the move to Google2009-02-07
No per-feed headline versus full description setting, making skimming feeds cumbersome2009-01-05