Eh, it doesn’t need to be, you just need to do the work of putting together granular access controls that can account for your risk profiles.
The risk isn’t much different between a company owned telephone and a personal telephone.
They’re both susceptible to most of the same attacks, or being left on the bus.
https://www.cell.com/current-biology/fulltext/S0960-9822(17)31114-4?xid=PS_smithsonian
I know I’ve read a handful of things roughly a long these line, that basically it’s probably not universal that humans simplify language for infants, but that we likely do shift how we vocalize to them.
Seems like a reasonably plausible hypothesis to me.