Perl doesn't have the tooling/library ecosystem Python does for Data Science. Additionally lot of Data Science people come from maths/stats and Python is easier

Perl doesn't have the tooling/library ecosystem Python does for Data Science. Additionally lot of Data Science people come from maths/stats and Python is easier to begin with. In my experience most Data Scientists aren't full blown devs since you focus on different things (business aspects of what you do vs scalability).