I don't disagree but pissing sellers off making things difficult they won't survive either. If I run a business is to make profit not to loose money just because your wants become less suddenly. I rather protect the business first and reward my customers than give in to whatever customers want.
Business is a difficult thing. That we all agree. Sometimes I rather not make business than loose money.is a two way street.
Oh 20 devy was an example as a seller if you were a small business. I was indicating if customers suddenly all decided to drop their orders last minute while you as the seller have paid up front for all these orders.