If you state that force equals mass times acceleration, it shouldn’t matter who is measuring the force, or whether it’s Tuesday or not. Those factors aren’t part of your rules, and they shouldn’t vary the outcome.
Much of what passes for absolute statements of truth in our society are actually momentary statements of opinion. And the giveaway: It depends on who’s acting. It’s wrong when they do it, right when we do it. Which means it’s opinion, not a basic principle.
It turns out that organizations and systems are more reliable, more efficient and more professional when they’re operated on principles that are actually true.