Earlier quoted context omitted.
Fret not, Python just a fringe programming language for more than two decades, it only then become popular. If you have the right fundamentals success will eventually come your way.
Python is a interpreted language, and is both strongly/dynamic typed D is a native strongly typed language You don't make game engines in Python, and certainty not drivers, python devs fall back to C when they need performance, this should give you a hint
[1]Numeric age for D: Mir GLAS is faster than OpenBLAS and Eigen:
http://blog.mir.dlang.io/glas/benchmark/openblas/2016/09/23/...