And the blind and bleating sheep will welcome it with open arms never realizing it will only lead to further erosion, confiscation, control and enslavement. 

So a couple banks in the US are already refusing to accept cash for some types of payment.

How is this possible when every note has this printed on it ?

"This note is legal tender for all debts, public and private"

This is another clear example of of one of those policy paper ideas that get proposed and shelved and when the time is right gets rolled out for a trial run. If there is little resistance it gets implemented.