"Policy decisions create the structure within which future decisions are made.
Good standards are senior-safe because they remove negotiation. In a metric proposal that will change incentives, they make the bar legible and the exception path explicit.
In a metric proposal that will change incentives, people comply with what is enforced, not what is written. If exceptions are informal, you end up with a standard no one can defend and a process no one trusts. If you do not name the cost now, it will return later as rework, pager load, or a standard nobody can enforce.
Graham T. Allison is useful here because it forces precision. Write what you are not doing and the edge you will defend, so scope cannot expand quietly. Clarity reduces noise more than another meeting does.