Look, in cases like this, we have to stick up for the scoundrels, because that's when the common behavior of the system is borne out. It's easy to make exceptions for a pretty face, but if you want real change you have to look at how it affects the worst people.
This has nothing to do with exceptions for a pretty face. If you cede the high ground then you are worse than nothing in terms of helping your cause, as has been born out through history over and over.