I think making analogies about this is hard. Programmers are used to thinking about languages as Big Things that change the way you think. This is not that. I

I think making analogies about this is hard. Programmers are used to thinking about languages as Big Things that change the way you think. This is not that. I would encourage you to dedicate a block of about 30 minutes to port a single piece of non-trivial JavaScript code to CoffeeScript. You'll almost certainly neutralize any hangups you have in this short period.