You are following that guy on twitter, you will he is a avid javascript guy. So you can take his words with a grain of salt.

I never see any web app one mobile feel good. But you never know.

also, with kotlin and swift doing native app is not that complicated. Learning a new API on top of native API I don't think is safe.

Also, google, apple they can change the rules and parts of the apps don't work anymore for x reason.