A former colleague now owns a website development shop in my city, they are as busy as can be updating school websites because a local woman went around every s

A former colleague now owns a website development shop in my city, they are as busy as can be updating school websites because a local woman went around every school website and found ADA violations. She’s making a ton, and has no disability. She got her lawyer involved, frilessless or not all of the school settled with agreements that they would fix the “issues”. What’s the answer to the technicality and legality of lawsuits? I’m not a lawyer, but at the very minimum the threat is enough.