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other fields like firefighers, cops, soldiers, teachers who do not get that much pile of money
I understand where you are coming from, but this point of view is rather naïve. I've learned that in modern society, you get paid based upon how easily you are replaced, not based upon how valuable your service is. Firefighters and cops perform necessary services, but individually they are easy to replace. The actors on that show are NOT easy to replace because theirs is a rare skill.
The difficult we do right away...
...the impossible takes slightly longer.
There's also a "superstar effect" in some industries (such as TV, sports, and mobile apps). In these industries, the cost of making a product for one person, a hundred people, or a million people is roughly the same. Even when other workers enter the market to compete, they have a hard time making money despite the total money in the market being so big.
In the case of the Big Bang Theory, the audience being huge gives the market a lot of money, the popularity of the show gives the show a lot of the market, and the tight connection of the actors' performance with the popularity of the show gives them a lot of negotiating power for the show's money.
In the case of firefighters, cops, soldiers, and teachers, there are hard limits on how many people they can serve at a time, limiting the amount they can gain from the superstar effect.
If they put metro abilities into the desktop - that would be amazing, but I fear this ability will be lost when metro apps are placed into the desktop - which goes back to the one focus model, and considering the life cycle management of every app for the desktop I would say that it would be impossible to make happen without making every app in existence to stop being compatible with Windows.