A consumer friendly policy could be:
1. Proration for a "lifetime" access (87 years) denied. In many cases probably close to 90% refunded.
2. irrespective, a Full refund for those who had never viewed the purchase.
3. A refund equal to the purchase price on the streaming platform newly acquired. Or a lifetime access (87 years) of the monthly billed streaming platform.
Or get this - you get a drm free copy and they let you redownload/stream it for and undefined (hopefully long) period of time. After that you can play your copy or use a copy from elsewhere.