Ionic Framework users won't come into contact with Stencil at all, just with the custom components built using it. The old `ion-textarea` (for example) will be replace with a new one that was compiled with Stencil.
So no, this is not a new JS framework that will be relevant to framework users.
I'm watching the conference where there are saying that "that is not yet another frameworks" but come on, that IS TOTALLY A NEW JS FRAMEWORK.
Let tell to a recruiter that you work 3 year on angular 1, 2 year on angular 2, but no really you feel you are ready for web component but you already failed your job interview, because you are a distancied old programmer working on old'good angular 4.1.3
Guys at ionic, you should work to correct your current version totally buggy (I know what I say, I will soon release my first app that I worked 5 month full time on)
Next time for sure I will stick with angular cli and a naked cordova