Won = monopsonized the market? I.e. so many employers looking for it that it influences education and training for people who have no interest in that particular language, but just want to learn “a” language.

See: Java wining enterprise programming; Python winning DevOps scripting; FORTRAN wining numerical simulation way back.

Also see: PHP winning SMB web consulting in the 90s (resulting in e.g. the Wordpress plugin ecosystem); RoR winning SMB web consulting in the 00s (resulting in the the current “horizontally scale by running more containers with a load-balancer in front” approach to web-app deployment, due mostly to Ruby’s horrible concurrency story at the time); Node.js winning SMB web consulting in the [first half of the] 10s (resulting in the rise of websocket-driven SPAs and a million Node build tools.)