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What can you do in Ruby?

was that snark necessary? this article is about python. i have no interest in ruby

I read it as good natured humor - clearly dramatic. Just sharing my opinion, fwiw, I see how you might interpret it differently.

having interests in other languages is important

Aha I think you mean Rails, there can't be anyone left using it for anything outside of that.

I started writing a reply to your comment in an attempt to dissuade you from such heretical propaganda but then I decided to just hotlink this: https://imgs.xkcd.com/comics/duty_calls.png

Web development has gotten much more complex these days and while RoR still strong, Python has gone "mainstream"

https://www.guru99.com/images/1/021020_0523_PythonvsRub1.png

This chart alone should be telling. Ruby has more learning curve, smaller set of libraries and stable but slow rate of innovation. The returns aren't that great for something like Python developers who can be trained on most tool in its ecosystem.

I agree with your point. To throw fly in the ointment and be a devil's advocate, how do we know the question load for RoR isn't just decreasing because there aren't many questions left to answer?

The majority of Amazon’s infrastructure as code is in Ruby ;)