So they just end the conversation there (no counter argument at all!). No change of mind.

Yeah but, think of how much cognitive dissonance they would feel if they accepted what you said as true. We can't have that!!!

It would set a terrible precedent! Because once you label landlords as useless evil leeches, who's next? CEOs? SMALL BUSINESS OWNERS?!!??

Next thing you know their whole worldview comes crashing down