別ソースのブコメに書いてあったけど、

Major research lost after custodian flips switch on lab freezer, lawsuit claims https://www.nbcnews.com/news/us-news/major-research-lost-custodian-flips-switch-lab-freezer-lawsuit-claims-rcna91160

' "Upon information and belief, Joe Herrington is a person with special needs," the lawsuit said. '

って事で、清掃員の人(Joe Herringtonさん)は障碍者だったっぽくて、裁判でもその人が悪いんじゃなくて、教育と監督を怠った会社が悪いって形らしい＞＜