As commented in the easyJet thread, if everyone insists on cash refunds the airlines could well go under which will be detrimental to all of us on here. If you will use a voucher, and especially if a premium is offered for accepting one, it may turn out beneficial for everyone in the longer term.
What is £100 GBP or 100 Euro now if you're going to pay extra for flights for the rest of your life if competition is removed from the playing field?