Absolutely not! Of course doing nothing and waiting around would be def defeatist, and probably the worst idea here.

But it's a good idea to start preparing and doing research. Game out future scenarios, so that you can better anticipate or at least adapt to change when it happens.

Best not to specialize or become an expert in just one field or industry. The chance of it becoming automated is very high. If someone specializes and gain knowledge and experience in many fields they will be more adaptable and ready for change. Learn always!