Yeah I don't quite get his point here. He seems to be complaining that enterprise companies buy from other enterprise a d larger companies instead of him. It's a tale as old as time.
Enterprise buy from large companies because those large companies come with support teams, liability, expertise that you don't need to manage internally.
It rare I read an article that actively annoys me but there's something about how this is written that seems a little arrogant.
In the same article the author was mentioning a few expert systems from the past that were quite obviously successful.
> on the promise printed on its marketing
Ah, _that_ promise. That promise is never fulfilled anywhere nor it is expected to.