What a load of malarky. Listen to all the jurors basing their scathing verdicts upon the sanctimonious postings of one envious flyer. The OP chooses not to divulge the nature of the conversation, but I say the devil is in the details.
No harm was done - no truly entitled passengers missed out, and everybody got there safely, comfortably and on time.

Of all the transgressions airline staff could perform, surely this one ranks on the lower end of the scale?