Many of us, when dealing with concurrent problems, sometimes try to use a hammer for every nail. There is no silver bullet for all of the problems of implementing concurrency.
It is also recommended to understand concurrency, as concurrency is now becoming more relevant because of the many core models in the releases of modern microprocessors (or simply processors) in the last 7 years. This fact is also becoming a trend as the clock speed of the latest processors has been usually limited to 3.2 GHz for the last 3 years.
Microsoft's Visual C++ architect, Herb Sutter, has written a very thorough article in the form of a whitepaper famously known as The Free Lunch Is Over: