We need more users, especially major players in the game.
The fact we know is that there are more millionaries in the world than the number of Bitcoins in existence. Now imagine if at least one-third of these investors decided to buy 1 Bitcoin...
Adoption has stalled - the number of transactions per 24 hours has been about 250,000 for over a year. Though segwit has been enabled, people arn't using it, and fees are still a problem.
I honestly think that if bitcoin doesn't resolve it's problems by the end of this year, a flippening will happen and another coin will take the crown.