>> objective and fair.

You do understand that the is a logical impossibility, as "fairness" is a subjective standard...

What is "fair" to me, likely will not be what you believe is "fair" thus something can not be objective and "fair"

> "take the ordinal value of each letter in employee's name, sum mod 365, and if the result matches the day of the year, they're fired!"

My Objection to this standard would not be "it is unfair" but rather it makes no logical sense to have employment choices made by that system and would likely cause many objectively valuable employees to be separated from the company.

Objective rules need to make sense in the context for which they are apply, "fairness" would not come into play here