If time allows it is helpful to press the button and waste their time and dilute the pool of scammable people they talk to. Letting the robodialer screen out the non scammable people only helps the scammers
Never, ever speak to these people. Once engaged, some can access your phone number and with that your name, address and off they go.
> If time allows it is helpful to press the button...
Press “1” to transfer this call through a small nation that allows us to charge $29.95 per minute.