What are you on about? R has a specific use, which is statistics and data science. For those purposes it reins supreme. Even for developing dashboards, R-Shiny is a breeze compared to Pythons's Dash. R is awesome.
Also, to quote a comment[0] of yours from 2 days ago:
What you are saying is that since you prefer something everyone should do the same.
And what you prefer is the correct choice for everyone ...