Rails, and possibly 37signals, was very influential to many folks about a decade ago, especially in the startup community, where Rails was seen as especially useful for prototyping or rapid, test-driven web app development. https://www.quora.com/Why-do-so-many-startups-use-Ruby-on-Ra...

It’s popularity at this may have diminished with the rise of JavaScript, Go and alternatives but many folks still like and use Ruby, or at least would like to see it continue to improve and thrive.