I tend to agree with you, but as someone who has been on both sides of interviews, sometimes what nice things they say about you can provide useful information.

At many companies, the hiring process is designed to identify people who are capable, but also highly willing to be exploited. There are also a few companies that use their decent treatment of employees as a hiring tool, and rightfully so.

Capitalism, especially late stage capitalism, works strongly against the interests of individuals who are not billionaires in every aspect of life. Hiring is just another of those areas. Unions are pretty much the only tool within the system that can help non-billionaires.