That's what FoxPro and Visual Basic guys thought...
I'm completely bewildered by the article and comments like this one.
I all you're application does is show information and accepting web like input, then you're stuck in the Aughties, that is, your application will survive even less than Ionic.
Today most modern companies are pushing for the Digital Transformation and although the haven't yet started hiring people in the old IT departments to fulfill their visions, sooner or later, they'll get to you and they will demand Snapchat-like apps that receive data from the phone in realtime. That's a no no from the web stupidity that Ionic and Angular offer.
We've been there, done that. Want to imitate Uber with Ionic? Please don't. Want to feed video, with 3D filters (for example to automatically delete faces of people not on board), or want to serve streaming audio, or both that can rapidly change depending on the bandwidth (ala Netflix but useful for WebEx too), Look elsewhere.
So yes, if you want your career to get stuck between 2000 and 2007, before the birth of the iPhone, go ahead, GET STUCK WITH THE WEB.