9 reasons:
1 / It is unique.
2 / is the most valuable coin.
3 / Intermediary for all other passwords.
I believe it will roll over $ 100,000 in 2018
That's *3 per reasons and for those people that don't believe with it they can just sit and wait the market moves quickly again just like last year.
@ OP you should add another 0 to that because Bitcoin is going to hit $1,000,000 and more.
Believing in McAfee?
First mover advantage and rising userbase could lead to that price. As for the other 7 reasons, you mention them in the title but then you don't list them

Yes it all started the whole crypto market so why people will not support the original and father of all?