I depend on what you are doing with bitcoin. If you're investing in it, then yes. Because you need to maximize the price of bitcoin to get a profit in investing in it. However, if you are just exchanging bitcoins and buying stuff after, then you don't need to mind the price.
Exchanging your bitcoin for products or services is a way to trade your bitcoin and in any trade the price is important, when I want to buy something with bitcoin I wait until I see a price rise that way I get more bang for my bitcoin.
Yeah price is an major concern in bitcoins as our actions will depend only on the price of bitcoins, as everyone follows the simple rule buy low and sell high, as no one will prefer to sell their coins at lower price then they bought, so I think price of bitcoin really matters each and every bitcoiner.
I understand we are not all traders or investors here, so the demand is not solely base on us. It's base on the entire need of the market, the people in the gambling industry are one of the demand creators, people coming in to gamble with bitcoin and they are increasing as they see bitcoin is very easy to use and no limitations at all.