For side projects, it can be a little daunting, but ultimately represents a healthy eco-system. But the issue for me is how employers handles it. No, I don't know Angular. But I have used Backbone, Ember & React. So do you really need an Angular expert, especially when Angular is only a few years old and is completely changing in Angular 2? Should employers insist on extensive trade knowledge in a specific framework,…
It astounds me that hiring for JS frameworks actually is that specific, considering you're likely passing up on people that are simply better problem solvers.