You see this argument a lot in Indonesia also with engineers.
One of our clients hired an experienced foreign engineer on a 1 year contract for skills transfer and training local engineers on a new aircraft type and he was totally white anted and isolated by the locals due to his salary. He left when his contract was up , he couldn't wait to get out.
The locals couldn't do the job and somebody was brought in from Europe on a premium to teach them , very few of the local engineers got the point he was there to lift their skill level on the aircraft , they just looked at his salary , disappointing ...