I don't know if they do, but I do know the universal answer to all of it: because that's what makes the big bucks. While there will always be inefficiencies and weird situations, multinationals that stick around for a long time and make lots of money do so because there are a bunch of people working there who have to figure out how to make money and keep making that money.
Like most things in life, the profit that companies make follows a decaying exponential, the so called power law. Most of the money is in the big winners.
I don't know if they do, but I do know the universal answer to all of it: because that's what makes the big bucks. While there will always be inefficiencies and weird situations, multinationals that stick around for a long time and make lots of money do so because there are a bunch of people working there who have to figure out how to make money and keep making that money.