My experience has been the opposite, in that sticky jobs are jobs held by people who aren't in demand. There's a balancing act for employers ("brilliant but flighty" is less desirable than "good but sticky") so it's certainly possible to argue that jobs being sticky for less-than-brilliant people is a good thing... but in my experience, jobs aren't sticky because of inertia for brilliant people.
My experience has been the opposite, in that sticky jobs are jobs held by people who aren't in demand. There's a balancing act for employers ("brilliant but flighty" is less desirable than "good but sticky") so it's certainly possible to argue that jobs being sticky for less-than-brilliant people is a good thing... but in my experience, jobs aren't sticky because of inertia for brilliant people.