The Internet has experienced a similar dramatic decline in popularity.
https://trends.google.com/trends/explore?date=all&q=emacs,in...
Re:Making Emacs Popular Again
by slightwinder on Friday May 08, 2020 @06:30AM
(#23113232)
Vim seems quite stable. VS Code is even rising.
https://trends.google.com/trends/explore?date=all&q=emacs,vi...
Google Trends certainly reports that emacs has experienced a dramatic decline in popularity since 2004.
https://trends.google.com/trends/explore?date=all&q=emacs