TPG isn’t on the side of angels here, they’re both fighting over consumer eyeballs, but the service that others like TPG are providing can be a net positive. And unquestionably companies have taken enforcement of computer access laws way too far.
What American should have done was insist on a stake in the product. Award Wallet, for instance, has hundreds of thousands of airline elite customers in their database….. including the customers of American’s competitors. The smart move would be to market to those competitors’ customers, negotiated in exchange for access.