What tangible downside is associated with staying put on a single, slow-moving pay trajectory for many years?

Answer

Compensation lagging behind current market rates for the experienced level

Remaining at the same base company without strategic role changes can result in compensation lagging significantly behind what the current market rate dictates for that level of experience.

What tangible downside is associated with staying put on a single, slow-moving pay trajectory for many years?
jobemploymentcareerLongevitystability