Cashless society, in my opinion, will still be an eventuality.
Because most people are conditioned to follow central authorities. It is a conditioning that is hundred of years old. When Facebook successfully implements its Libra coin, it will undoubted gain mainstream adoption faster than Bitcoin.
What I think is important is to continue to educate the public the differences between centralised and decentralised money. To undo the hundreds of years of conditioning is not so easy.
Yes, the education is so important here! But still there will be bunch of people who "doesn´t even care" about decentralization, that is a sad reality.
My parents included :)
It's okay. I have made my peace with it.
The important thing is solutions exist.
Whether people embrace them is a choice.