Carnegie: “I’d like to avoid being remembered for having a bunch of labor strikers shot and killed. How can I launder my reputation?”

PR: “sir, with enough money you can make the public believe whatever you want.” https://en.m.wikipedia.org/wiki/Whitewashing_(censorship)

Quite.

Do you refuse, on principle, to visit the Frick when in New York City? For that matter do you avoid the Rockefeller Center?

Straw man argument; the person you're replying to did not mention any boycotting. See also "Mr. Gotcha".