Those right wing Supreme Court Justices were Republican partisans before they were nominated and they are still hopelessly Republican partisans now. They lied and misrepresented themselves to get on the court, they've made bizarrely rationalized, nonsensical, partisan rulings, why should we be surprised they are still incorrigibly, ethically compromised now! They aren't going to step down and stop being Republican partisans because they got caught with their whole arm in the cookie jar, unless we force them to!
Article: Details around the income of Chief Justice Roberts' wife raise more ethical red flags at the Supreme Court