5’11”, 525? In a day care? Suppose she fell on one of the kids? And could she move fast enough to protect a little one from some imminent anger?
Heck, we don’t even need to come up with scenarios like that, because she couldn’t even do everyday functions of the job.
Can she get down on one knee to tie a child’s shoe? Nope. Can she stoop down and pick up toys scattered on the floor so kids don’t trip on them? Nope. Can she take the kids for a walk to the park so they get their daily exercise? Nope.