I probably still don't understand the full implications of this interesting proposal.
Still, while giving more place for RP and interpretion it would probably also make it harder to judge whether an action made by a character is supported by the specific roles and role play of all characters involved (in case of complaints, warnings and bans).
She: Some soldiers, I know, are afraid of death.
He: All of them, dear lady, all of them, believe me. It is our duty to live as long as we can, and kill as many of the enemy as we can.