This is a one time pain for people that are already going to be frustrated with your product.

The big accounts that actually matter will simply ask their account manager to have this done for them.

This is how B2B almost always works. One rule for the masses. Then private, white glove service for the big accounts.

Role-playing an enterprise customer, “we’ll pay you through the end of the year if and only if you mail us a hard drive of our content. And if not, we’ll pay you through 5PM today. Sue us if you don’t like it.”