I build my web sites mobile first, then make sure they also work nicely on a laptop browser. However, I am a little skeptical about progressive web apps. I used to just install a very small number of apps on my Android phone for privacy reasons. Now, with Android 6 I can set fine grain permissions and I now have about 10 apps installed. For everything else, simple web sites are sufficient.

The article is right on, on the point tha SEO is a big win for web apps.