I guess NORCO or BELL patching kits will never work then, since according to their labels they both contain "Rubber Cement".
Well, they may not work as well as Rema or Camel patch kits with true vulcanizing fluid.
Or it could be the marketing folks at Norco & Bell don't understand the bike biz, they are after all, not manufacturers; they just put their labels on products made some numerous other subs. And there's also a component of customer-expectations and expertise as well. The majority of people do not know the differences between "rubber cement" and "vulcanizing fluid". And the marketers know that and want the customers to have "warm fuzzies" when picking up a product, so they'll use terms a layman would understand. Get it?