8 points
It has everything to do with viability. Something is not a viable alternative if no one can be convinced to use it.
-2 points
They can be convinced. They just haven’t been. That’s not the same thing. Not viable means not capable.
4 points
No, not really.
Viable: “the ability to live, grow, and develop” or “the ability to function adequately” or “the ability to succeed or be sustained”
Source: the dictionary
-4 points
