This entire discussion calls to mind the parable of the Workers in the Vineyard.
​​​​​​https://en.m.wikipedia.org/wiki/Para...n_the_Vineyard

If United Air Lines chooses to be generous to the late arrivals (or those who flew less), those who worked (or flew) more are still getting what they bargained for.

Frequent flyer programs can be a blessing if approached with humility, but beware the pitfalls of excessive comparison, pride, and envy.