No one is saying that the police should use inferior techniques. Framing your position in such a manner reduces it to a straw man. What is being stated is that

No one is saying that the police should use inferior techniques. Framing your position in such a manner reduces it to a straw man. What is being stated is that some techniques are so powerful that they require oversight. This is nothing new. This goes back to the origins of our system of law. The oversight is provided by requiring police to obtain a warrant.