It is doubtful they have robust objective data. Much more likely, a suit asked someone to get data to justify RTO, someone found some metrics that look better

It is doubtful they have robust objective data. Much more likely, a suit asked someone to get data to justify RTO, someone found some metrics that look better within people who RTO'd voluntarily, and they are using it to justify their hypothesis without anyone having the balls/organizational clout to push back critically.