I can't comment on the convenience of digital wallets for all sections of the society. For the urban middle class I can say with conviction, that digital wallets trump cash. The biggest obstacle for digital wallet adoption were the mom and pop shops. Now even a juice vendor accepts PayTM. I don't think the wallets are as harsh as the credit card guys on the merchants. So I see the adoption as a win-win, at least for the urban middle class.
All of this doesn't negate the endless suffering ulneashed by the cash crackdown though.