Sorry about that whenever I see the words "Zaino" and "best" in the same sentence my writing always tends to appear angry. I tend to be a little short with people who claim any product is "the best," but I'm probably more short with Zaino users as so many of them are SO zealous.

You are 100% that Zaino is more optically true than carnauba, but IMO this does not produce a better shine. Also, it is widely believed that all sealants lack depth of shine. From what I've seen sealants (Zaino and others) make a car look almost like it's been lacquered. Not too eye pleasing to me, but I know some people like that look as we both agree on it's all about personal preference.

Just like some tire dressings are glossy and others are matte there's a product out there for everyone.