Emacs + Meow is an underrated combo
In my head, code editors fall on a spectrum of intuition on one side or flexibility on the other. Easy versus malleable. I know this is an oversimplification, but bear with me for a bit.
Deep Purple, jQuery and the role of legacy
There are people, groups, works and topics that are old just in terms of age, and everyone and their dog wants to replace them for good, often for their age alone. But that turns out to be a wild goose chase, since these are so good at what they do, and/or they command so much mindshare, that they keep going for decades. See Emacs, Vim, COBOL, paperbacks, notebooks, email.