There was no suggestion above to add Pocket or Readability support to the iOS app, just that by picking iOS, he chose a distribution platform that keeps apps much like his own from scraping the content.

If all publications worked this way, Instapaper couldn't exist.

Why not support them? Pocket/Instapaper/Readability support is pretty much a given in most content apps these days. And blocking others from your content definitely goes against the spirit of Instapaper.

It is reminiscent of Microsoft's strategy tax. Making a product worse cause it may harm your other businesses.