Does bitcoin or any digital currency could help?
No, it can't.
It is not someone that could donate or give help to people. Despite people having profited from it, I don't think it is mainly because of cryptocurrencies or maybe Bitcoin itself since those people are the ones responsible for getting their profits and not directly Bitcoin.
I think it depends on what help you are asking, btc won't do much in the case of stopping the spread of the virus cause majority of the stores doesn't accept it as a payment, fiat online payment is the one being used by the people now. However, btc will sure help other people who are into btc before the lockdown, some may lose their jobs and btc is all they have for now, so its really a help for them. It may not be a solution for the problems we faced now but its something that helps other people survive this pandemic.