Unreal to believe someone thought that detecting stress would illuminate fraudsters, people used to lying and making hundreds of calls daily, and not illuminate

Unreal to believe someone thought that detecting stress would illuminate fraudsters, people used to lying and making hundreds of calls daily, and not illuminate the stress of many who have to call the tax office and/or social welfare departments for genuine reasons. When I had tax trouble years ago I was constantly in a state of panic and stress on every phone call.