Perhaps what is needed is the ability to sue for damages if someone can be shown to abuse the legal system to harass and bankrupt?
Sen. Ted Stevens is the case that should be the example used as to why the system needs to be changed. Yes, any frivolous filing needs to result in sanctioning of the attorneys, and even consider bar disciplinary actions against them. However, who decides? A liberal judge? Perhaps a crowdsourcing app can be used to put this question to the citizens, but this introduces a whole other set of issues.