"As a Rails programmer, the more popular Rails is, the more worth are your Rails skills." This is still subject to the laws of supply and demand. Your Rails s

"As a Rails programmer, the more popular Rails is, the more worth are your Rails skills." This is still subject to the laws of supply and demand. Your Rails skillz will be valuable at a time like now - where there are a healthy number of startups using the framework for development, and a sufficient shortage of experienced Rails devs to hire. However, if Rails became popular enough that everyone decided to learn it and the number of available jobs didn't shift in proportion, you'll find your skillz less of a commodity.