I'm a bit on the fence weither I should stay neutral, but no support so far from me.

Only because well... it just has no point to exist game wise.
The deaf mutation is intresting because of the change in gameplay and seeing how long they will manage, while other “one day lethals” are intresting as a trophy due to their changed lineart.

An “one day lethal” mutation without art change isn’t very intresting to freeze, and offers no gameplay change as it dies on the next rollover.
Their only purpose would be that if you get a potato cub, you don't have to worry about waiting to chase it off without a penalty to the mom's mood and that's literally all. Otherwise it's only going to become an annoyance having to get rid of it, and I figure some people are simply going to forget that their beutiful cub is going to die without a saffou fruit because there is no big indicator such as changed lineart to warn them.
While this would be easy to implement, I figure people would only disslike that they have an ever less of a chance to get their desired mutation.

I just don't see the appeal of it, other than adding some points to realism of having one cub of the litter die if you like that type of gameplay. Which can be fixed anyway with buying the safou fruit or implementing own game rules, so no reason to bother. It's not going to end up very usefull, basically.

So sorry, but no support.

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