This is the reason why Pumblechook choke on the brandy at Christmas dinner. Pumblechook is a ridiculous character, and no one sees this more clearly than Pip. Pip, because of his young age, can see that Pumblechook's manners and airs are silly, and that he believes himself more important and more intelligent than he actually is. Pip has no respect for him, and this becomes even more clear after he begins to "educate" Pip.
