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You are certainly wrong if you are attempting to liken AAVE to a contemptuous mangling of SEV, and it looks very much like you are doing just that. I hope I am mistaken, as I would hate to think that so many people have wasted their time by defending AAVE as a lingusitically legitimate dialect.
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Pretty much everyone who thinks that AAVE is not a dialect but a contemptuous mangling of SEV suggests that African-Americans should “stop talking in that ignorant way”.
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Would I change my mind about what? The fact that you speak four languages certainly does not change my belief that it is wrong to call a person lazy if they have been unable to manage to become similarly accomplished, especially if they have limited access to the sort of instruction necessary to gain such an accomplishment.
People strongly identify with their native dialects, and tend to resent any suggestion that their dialect is inferior or that they or others in their community should be trained out of it. Condemning the way a person speaks is condemning them as well as their culture in a significant way. Given this, and the rather unfortunate state of American race relations in general, is it any wonder that some AAVE speakers refuse to learn SEV and view those who do with suspicion? I’m not saying that this is the most rational way to look at things, but it is an understandable one.