Comment by hinkley

It wasn’t “a hog” it was the hog. I don’t know where OP gets the idea that it was svelte. IntelliJ is considered a pig and a half in most eras but at the time, for most if not quite all projects, Eclipse had a worse memory footprint, for less functionality.

Also the UX was mediocre at best and infuriating at worst. Practically every interaction worth performing in that editor took at least one more click or keystroke than IntelliJ, and I would rank IntelliJ as merely good, but not amazing with input economy.