The article applies only to ‘tenant’ tokens on Ethereum blockchain.

It is pretty easy to mint such tokens, without the need to maintain a blockchain.

Unless backed by a real business and guarantees like for ex. Circle’s USDC token, most of the tokens are crappy — based on promises which may or may not be fulfilled in the future.

The decentralized exchanges mentioned are teams/foundations/businesses interested in promoting their own token as a way of performing of the exchange. In this sense they are not un-owned.