Read more: http://www.nasdaq.com/article/does-the-price-of-bitcoin-matter-cm476312#ixzz3a1cH4qcU
Of course yes it really matters, because thats the reason why they become popular in the mainstream because of the tremendous increase of their value over the years. And besides the value of it is just the only reason why a lot of people are being hooked to it. People are depending on bitcoins they used it as a major source of income and because the value of bitcoins are expensive so if they converted it in fiat or in real money it is bigger than other laboured jobs. Thats is why bitcoins price matters. It is a business.