But there was really small progress. Managers talked with managers, and weeks and months passed, but there were no satisfying results.
Big bosses of the company wanted to figure out what is going on, so they started visiting their Paris investment. It turned out that developers in Paris start work around 10 am, they have lunch in the middle and they end work around 2, sometimes 3 pm if they stay late for their job :D
Maybe it's game dev specific thing there. I don't know. Story was described in book "Nie tylko Wiedźmin. Historia polskich gier komputerowych"