"no exceptions" sounds like the focus is on rules, in particular on orthography (correct writing). It's easy to ban exceptions if you make the rules. This is th

"no exceptions" sounds like the focus is on rules, in particular on orthography (correct writing). It's easy to ban exceptions if you make the rules. This is the realm of prescriptive linguistics. The very fact that there are individuals and whole group of people who actually talk differently can, has been, and still often is dismissed as either ignorance, class, personal idiosincrasies, ... There is a different way at looking at the thing: observing it objectively as other things in nature. This descriptive linguistics is endlessly fascinating to me, as it's less infected by human desires that have nothing to do with linguistics and all to do with politics. An example of where those two viewpoints begin to present reality in a quite different way and yet don't require to be a trained linguist to grasp it is the definition of where a dialect ends and a language begins.