Causing someone to pay more money for something is also harmful if they dont have it.
I originally said I thought these places were in Riverdale and the Upper West Side. But It seems they are in teaneck as well. I am guessing the people in teaneck want it otherwise it wouldnt be there.
People are making a farce out of Kashruth if they insit on a secondary sticker on perfectly kosher product. I wouldnt be suprised if some say its an AVERIAH to eat the twizzlers without the extra sticker and its the same product with or without the sticker.
Its generally accepted not to rely on Israel mayer Steinberg. ive never heard anyone say he was ok (He does Hashghacs on places like the 2nd Ave Deli)