Even if you figure 4 weeks of paid vacation per year, it means she worked 20 years without taking a single day off, all of which was owed to her by contract.
I vividly remember going from Dover, England to France....on the Dover side, everybody stood in a polite, well spaced queue to get onto the hovercraft...disembarking on the France side the same group of people became a mob all pushing at once for the exit door...
right...that's the issue here, not whether lions are inherently "too noble to eat" but whether eating them contributes to a threat to their survival as a species...
I think the issue is a confusion between free-form experimentation and formalized proof. You need both approaches, but if you want your conclusions to be respected, you need to formalize your methodology at least when you present your findings.