My personal love for Rails is recent. I had been trying in my one to two hours of spare time on weekends (I am busy with exercise/family/gaming/etc) to build a simple website for my wife's company (simple crud stuff mostly). I found that several ways I had attempted to build the site were time consuming to learn/compile/test/demo/repeat. Even though I program for a living, starting from scratch takes time and one/two hours per weekend is almost nothing when it comes to getting stuff done. When the PC I was using for building kicked the bucket and I got an old Macbook air, I tried Rails and within an hour I had got most of the base moved from Spring Boot to Rails. I can't complain about Rails. The time investment to usable results are there. I think Rails is going to relevant like other web frameworks for a good long time.