You're clearly not a parent, Johnny. We're proud of our kids' achievements in whatever field. Certainly veterinary science is more laudable than disrobing to music, but the person is still the person, whatever their chosen field.
Sorry, I'm not familiar with Amy Fisher.
I know this is unfashionable, but in the course of a long life I've met very decent, likeable, generous people from many backgrounds -- not all of which are considered respectable.