In this case we have a 50% chance of it happening, because it either is going to happen or it won't.
Looking at the current state of the network it can't happen yet. Bitcoin can't handle mainstream adoption at the moment.
If the protocol gets adjusted properly so that we it can handle this, it just might.
how long do you think it will take for bitcoin to be adjusted properly, have a stronger network and be used in its rightful way as a currency?