Cringing is among many logical reactions to any letter regardless of its source. However, a challenge for only thoughtful, rational perspectives from the other side, as if that's all that ever oozes from its counterpoint, as deemed worthy of his consideration is merely fossilized, feel-good pablum the like-minded reflexively endorse out of habit.
Note the assertion by Mr. Boes about the letter writer: "No doubt, he’s ham-handedly pushing buttons." Does doubling down on "apish" qualify as thoughtful or rational? Or is he resorting to the very tactic he dismisses as repugnant?
Colorful expressions of opinion need not be taken as affronts on a par with hiding your car keys or reading specs. Instead, try turning the page next time.