I've heard the same star trek explanation for Jeri's real world breast implants.
This might be good for the Borg.
It might make sense.
But after the Doctor starts pulling hardware out of her, filling a bucket up with bits of her to one side of his table, then you must be claiming that when she takes her shoes off, that Seven still has six inch protrusions erecting (but it's building down? That can't be right.) from her heels towards the floor.