If it didn't lie, there would be no test, as you observed. Turing didn't try to show that machines could think -- only that they could act like it. In that sens

If it didn't lie, there would be no test, as you observed. Turing didn't try to show that machines could think -- only that they could act like it. In that sense, we already have machines that (unintentionally) mislead us. But they will never demonstrate true intelligence. Even Descartes knew that.