This can happen in theory, but it is pretty rare. What you or I might call frivolous is often entertained in the court of law, and serial abusers of the court system may still issue hundreds or even thousands of attempts at lawsuits. This may be for monetary gain or to use the specter of the lawsuit as a cudgel to influence or intimidate.

This can also be exacerbated by ‘friendly’ (corrupt) courts that allow or even encourage this behavior.