Scribe
Legend
That is subjective. Villains should be allowed to do villainous things. Heck, PCs should be able to choose darkness or light too, just like @pemerton 's Torchbearer example.
They can, just as Torchbearer proves.
You already know the answer to all this, as we have all seen this topic spiral countless times in the last 3 years.
Wizards is too big, and the outcry by the online segment too loud, to make it worth it. The juice is not worth the squeeze, when they can just put something else into the release window, and it will sell just as well, with a fraction of the angst.