Ruby and Rails have been around for about 10 years at this point. It is stable and for most websites it just works (up to a certain size). It is not as exciting

Ruby and Rails have been around for about 10 years at this point. It is stable and for most websites it just works (up to a certain size). It is not as exciting as JS is now but people are using it to get things done since it is relatively mature and used a lot in startups. Likely why you see it referenced a lot here.