Ok, let's assume this is true. In the midst of the worst crisis this industry has ever seen, Piet Lood found a better paying airline than Cathay. Fine.
What you don't see is: it is not about the absolute package, it is about your personal judgement what an acceptable package is. There is no right or wrong, no moral aspect whatsoever.
We are all just a bunch of homo economicus making self-centred decisions. That's it.