I mean, given that belief in moral decline is essentially based on illusory perceptions anyway[1], it's not too surprising that someone handwringing about it would also hallucinate connections between two disparate phenomena they opted to characterize as examples of such.

If you opt to habitually rationalize human behavior in a manner that is detached from concern with nuance or driving forces then some amount of reality denial is probably inevitable

[1] See e.g. https://www.nature.com/articles/s41586-023-06137-x

Lack of honour, low trust, the breakdown of the social contract. Seems all related to me.