Didn’t you mean that the other way around? If Ruby ecosystem became what current JS ecosystem is now, it wouldn’t be Ruby anymore, at least the way people who love it love it. I’m not quite sure that it would benefit from dispersion of focus on itself onto flavour of the <insert your noun here> every <relatively frequent period of time>. It’s such a good language to write stuff in not least because indeed it keeps trying to move along the axis of that aspect of it.

I meant in its popularity, not in its insanity

I differ, I believe JS is in a place no other programming language should be at. Every week you have doubts of the framework/lib you chose because there is a new cool kid in town. It's just so much distraction from things that actually matter, like shipping a product