Ruby has some what hostile rules imo.

Such as end and lower casing variables.

Another factor to mention, Python has some specific use cases, like machine learning which I can only effectively learn by using Python. I actually managed to secure a 30k pay raise by learning Python in my spare time.

Anything I can do in Ruby, I can already do in NodeJS. If I ever run across an employer who would offer 30k or 40k more for me to learn Ruby, I would definitely jump at the opportunity.