That's the case for any good dev, anywhere in the world. If they're not chained to their job for various non-work reasons, they <<will>> move on to competitive salaries.
So this is very, very different and incomparable situation than presented in the article or discussed in the comments. The same issues could present if you bought incompetent company in the US.
The language barrier was 80% of the problem. Everything else could have worked out if we had been on board and the management handled it correctly. The engineers were good enough.
