It depends on how much we work towards bitcoin adoption by creating businesses using bitcoin as payment, just inundate the world with bitcoin businesses with the option to use fiat as well as bitcoin.
For sure. BTC value has a value right now inflated from speculation, but if usage continues to grow, and its usage as an actual legitimate currency and payment method increases, then I see 1 bitcoin being worth 10k. But if adoption fails to grow in a big way, I think we'll see it go to zero in a decade or so.