Why do you want to debunk them? Is it:
A) You believe you can change the policy, and thereby get paid what your US colleagues get paid?
B) You want to validate your feeling (that the situation is unfair) and be certain that you are right?
C) You are curious about how the world works?
D) Something else?
(FWIW I've been in the same situation, working at a FAANG company outside US/EU, with lower pay scales.)
Why do you want to debunk them? Is it:
A) You believe you can change the policy, and thereby get paid what your US colleagues get paid?
B) You want to validate your feeling (that the situation is unfair) and be certain that you are right?
C) You are curious about how the world works?
D) Something else?
(FWIW I've been in the same situation, working at a FAANG company outside US/EU, with lower pay scales.)