Why nobody can't create universal programming language?

Answer 1

You know there is a paradox of "good, cheap and fast". You can pick only two of them. There is always a trade-off that developers have to make, sacrifice something for the sake of something else. :)
https://images.app.goo.gl/BKMYBrexucVVq4GYA

Answer 2

Human nature may be part of it.
Why's not everybody speaking English? Or Spanish? Or Esperanto? Or Klingon?
Because whatever you choose, others will - thank you very much - continue to use whatever they are used to using.
People will not suddenly throw all their code (Java, C#, Python or whatever), that came into existence over decades, into the waste, just because someone invented a pretty new programming language.

Answer 3

Because not everyone has a "universal" problem