Most likely... It may be out of place (plunger not able to operate) or the switch could be bad (always closed contacts)
Should be a simple fix though. Inspect the operation of the switch when moving the pedal. You should be able to see what is occuring.
Edit: I could not find any threads but someone mentioned before about this issue... Somehow there was a hole and it allowed the plunger to not get pushed when the brake pedal was released ?? They used a plastic plug to fill in the hole and it solved the problem.
Here is the thread, Not sure if the 6th gens are similar or not -->
Stuck Brake Light Switch