What if we were given another tiny race

[ItMe]

Literal children are different from established adults.

That's true, but Lily_Skye is correct that the logic they're calling out doesn't follow.
Just because something is established to be an adult doesn't mean people can't creep on it.
I mean, anime is full of 10,000 year old demons that just happen to look like 6 year old girls.
There are a lot of EPRers in 14 that put Lala into diapers and call others daddy.
Just because there are

Too many creeps in the world.

doesn't mean we can't, or shouldn't, get Miq'ittens, because by that logic we never should have gotten Lala.