It's best to stay out of controversy than it is to ruin their reputation because people on Twitter will destroy Aardman, even if the statement was correct, factual or even making fun of Coca-Cola too.
Notice how you don't see the Aardman animators going on twitter to talk about "how hard" it was to make this when claymation is one of the most painstaking methods of animation? It's because they're actual artists. Unlike those Coca Cola posers.