I agree with all of your post except this:
::I would never leave a 3 month old with a grandfather::
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Why do you say that?
You didn’t read my other posts. It is all in there. Here is my last post #85
I didn’t mean to imply anything other than that a grandfather is way out of practice taking care of an infant. If they’re alone with them it’s too much in most cases. They forget how dependent the infant is. That’s all. Again. My FIL was the best. He let the kids take risks out on the farm, climbing, riding around back of the truck taught them how to play Texas Hold-em
But infants need their mothers. Or a current expert. There are no grandfathers working in day cares. They’re just not suited for it.
Whereas they’re vital for when the kids get older and need to learn to manage risk taking, jumping, playing, running climbing things mom finds hard to watch
And in this particular case someone do not see that dogs as a threat and had no control over them.