I kind of understand the guests point, they might not die, but who will teach them how to squirrel? They have no one to teach them how to gather nuts and do other cute squirrelly stuff... and i'm not sure as adults they'll be able to live off of what the cat teaches them to do.
'Who will teach them how to squirrel?' Well the squirrels natural instincts can take over and the squirrel could effectively squirrel like a squirrel...
Just fyi: They will most likely die from malnutrition since cats are obligate carnivores and squirrels are mainly herbivores (though they do eat some bugs and products from human garbage and what not) they won't get the proper nutrion from cats milk :(
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