There's an assumption here that meaning or understanding is discrete and limited but the reality is that there is an unlimited depth of meaning in any text. So

There's an assumption here that meaning or understanding is discrete and limited but the reality is that there is an unlimited depth of meaning in any text. So a claim that a reader has captured the meaning has to include "for the purposes of X". Certainly it isn't captured for the purposes of most media reviews. Just read the initial professional reviews for any book that you know and love.