Why would the study want to target "the healthiest employees on the planet"? That would bias the study. Seems to me they chose a random company (that would ag

Why would the study want to target "the healthiest employees on the planet"? That would bias the study. Seems to me they chose a random company (that would agree to participate) with average workers. The whole point would be to see if these programs improve healthcare. Honestly, the majority of BJ's workers work in a giant warehouse store and get a lot of walking in daily as part of their job. (*Source: I'm a former BJ's Wholesale 'team member' although I worked in the office in IT)