For the same reason that for example Nim isn't more popular. Scala and Rust, although they have reached a certain degree of popularity, are two more languages which according to their awesomeness should be way more popular.
I am a certified trainer that likes to share my knowledge with the world.
Also, I am an adopter of continuous learning and evolving idea.
https://dev.to/wolfiton/who-am-i-3lj7
For the same reason that for example Nim isn't more popular. Scala and Rust, although they have reached a certain degree of popularity, are two more languages which according to their awesomeness should be way more popular.
That's the three-way chicken and egg problem.
Thanks for sharing @pofi your opinion and view of what it needs to change so that other languages with potential, can enter the market.