You’re only partly right. You example services. Of course it is not possible to own services. Piracy is only applicable to products. The point of the Twitter guy is, that companies intentionally stop selling their software etc. as products to sell you the same thing as a service, so that you cannot own it.
Absolutely not. Came not even close to 16GB usage (yet) But I thought that it would be nice to have, and that the prices wouldn’t go lower anytime soon, so I thought I might as well take the 32Gigs