"...let them know you're not currently open to offers less than $current*1.5." Whoa!! Is this for early career folks (less than 6 years)? In the 15-20 years e

"...let them know you're not currently open to offers less than $current*1.5." Whoa!! Is this for early career folks (less than 6 years)? In the 15-20 years experience range none of my friends and ex-colleagues who moved jobs got a 50% raise on moving.