First,
Of what better use would a cashless gambling system do to someone that's already making use of cryptocurrency gambling platforms? It's like leaving a five star hotel to a common brothel!
I can answer this one for you, the government wanted profit. With cryptocurrency being used by players, the government is deprived of taxes of any form because the transaction is not exposed to government tax.
Did the government put to consideration those gamblers that are not enlightened have absolute no idea about cashless transaction how it operates, and how this cashless gambling policy can deny these sets of gamblers opportunity to continuously engage in an activity they interest themselves with without going through some hitch and inconveniences?
Government has a tendency to implement now and explain later. Besides people are already using their credit and debit cards to buy stuff online and in supermarkets where the use of cards is available. So cashless gambling isn't a new technology, to begin with.