He has had a number of close associates not only disgraced by scandal and corruption, but also actually jailed for criminal acts. His wife has actively participated in cover ups and illegal acts such as file-gate, White Watergate, and his sexual crimes. Bad is not usually correctable. Bad food can't be made good. Bad behavior can't be undone.
Bad taste is usually so ingrained, it remains a character trait forever.
Ignorance is a more complex issue. A bad person is typically a hopeless case. Bad people are aware of who the Clintons are, and yet approve. Ignorant people are fooled into thinking the Clintons are something they are not. They really don't understand what is happening.