There is a big, big difference between Angular and the other frameworks you mentioned. Angular is part of a larger ecosystem (i.e. JavaScript) that is going thr

There is a big, big difference between Angular and the other frameworks you mentioned. Angular is part of a larger ecosystem (i.e. JavaScript) that is going through massive changes on its own (i.e. ES6 and all the other new JavaScript goodness). Angular can stand pat and do nothing while the world around them changes, but that is probably not the best strategy either.