Why am I fool to push a businessman out of business if he is a racial bigot, for example?
I do not want such men to prosper in their private life, and I find it eminently rational, and within my rights, to reduce their opprtunities for it. By legal means, of course.
The classical Randian fallacy.
Answer is: not necessarily.
Hmm, let's see.
That's a really hard one.
Does saving a boy from drowning in a pond meet your "standards" of heroism?