Also bear in mind that the community behind Rails is more mature, and a lot more companies have stake in it being an effective solution than do CoffeeScript, no

Also bear in mind that the community behind Rails is more mature, and a lot more companies have stake in it being an effective solution than do CoffeeScript, not to mention the fact that Yehuda Katz probably has a bit more reach than Michael Ficarra. ... also also a student's cost of living as opposed to a seasoned software engineer's is probably pretty disparate (for better or worse).