I was more pointing out the fact that people reinvent existing stuff in a new language, then a few years go by, the 'existing stuff' is still 'existing', the 'new language reinvention' is dead, and someone new then reinvents the 'existing stuff' in some new language :)

eg: https://news.ycombinator.com/item?id=19276751

https://github.com/remacs/remacs

last commit, 3 years ago.