We shouldn't make things harder for them
REFUSING CASH COULD PUT AN UNDUE BURDEN ON PEOPLE WHO DEPEND ON CASH AS A MEANS OF PAYMENT
The 2018 G4S Global Cash Report revealed that cash remains the most widely used payment instrument in the world on all continents and 75 percent of countries reported that cash was used in over 50 percent of transactions.
It also noted that 'for many people it is the only viable payment method. Businesses that stop using cash are excluding a material portion of the society and risk losing customers'.