I have a link to one below. My guess is corporate lawyers who want to limit liability without any understanding of the underlying issues.

Even my job has said that you have to be vaccinated to return (limited medical and religious exceptions). They also said it wouldn't make sense to keep the unvaccinated people working remotely, implying that they will fire people. They are not accepting antibody tests.

https://www.fox26houston.com/news/hospital-workers-prepare-t...