Earlier quoted context omitted.
Also the most widely used language 6 years in a row: https://insights.stackoverflow.com/survey/2018/#most-popular...
That by itself doesn't count for much in this context. Web based technologies tend to move quickly while scientists are almost all using math libraries that were written in the 60/ 70's. To scientists these things are just tools and they prefer stability, reproducibility and minimal dependencies over using what's popular.
Either way, wish the project luck! Reproducible scientific studies is paramount.