the fantasy of justice
I remember having similar fantasies during the W. Bush administration. "Surely, when Democrats get into power these egregious war criminals will face justice in the courts!"
Being a lesser evil voter in this country is probably the logical choice, but it is also signing up for a lifetime supply of "fell for it again" awards.
Your comparison to the brownshirts is correct- most rank and file brownshirts were never prosecuted.
Your hypothesis seems much weaker when we consider that Epstein was incarcerated for 13 months for his first conviction in 2008.