I prefer heckling people who don't listen to their doctor.

To his credit, one of my work peers whom I found out is afraid of the single most tested vaccine set in history, and with whom I've argued passionately and at length, is still 100% professional and helpful when we're on the clock, and I really have to respect that. There ARE those with whom we can have impassioned and frustrating arguments, and who are still absolute heroes in the next breath.