That is not true. Our legal system views some lawsuits as themselves being illegitimate attempts to silence people by forcing them to defend against frivolous,

That is not true. Our legal system views some lawsuits as themselves being illegitimate attempts to silence people by forcing them to defend against frivolous, meritless lawsuits (see SLAPP). It does not view lawsuits as SLAPP-worthy merely because based on who's paying the bill.