It’s discrediting valid concerns against card-payments. It’s invalidating how great cash is.
It’s when the worst person you know makes a good point.
And things now are so Culture-Wars-y, nobody makes solid analyses any more, that when the far-right say cards are bad, everybody jumps to thinking cards are good.
I don’t agree that the reaction to what rightwingers say is so thoughtlessly contrary. In my experience, the reaction is usually “…huh, not what I expected, but okay. Oh, wait, THAT’S the reason they hate it? Nevermind…”