In some cases this has been tried in court and the decision has been that a sale is a sale and that you can do what you will with it.
See, for instance, https://www.lw.com/thoughtLeadership/CJEURulesResaleofUsedSo... and https://en.wikipedia.org/wiki/First-sale_doctrine
All this bad faith is doing is pushing people to pirate more, not less.
Happened to me with Bandcamp. Support was kind and helpful. After I gave them proof of my purchases, they just merged the collections to my current one. Excellent experience. I wish it was always like this.
In the physical world, if I "buy" something, I can lend it, give it, or even sell it to somebody else.
Alos, the fact that the content is linked to an account rather than a biological person raises other issues about digital identity.
You may assume that other streaming companies will do similar things. They're all squeezed between customers who want to pay low prices for the service and rights holders who want high prices for their concent. The rights holders offer a lower price for time-limited access than for permanent access, and the streaming companies take that offer. Film at 11.
Note that this happened in Germany, where judges generally treat fineprint as "Whatever."* - the way something is communicated and customer's reasonable expectations matter a lot.
* Where fineprint contradicts more prominent text.
After all, why sell what you can rent?
The prices were not really outlandish, though they were representative of catering to a new and niche market. It's just that the barrier to copying was so low and distribution was so easy and risk free.
Basically, it was the equivalent of a physical store with no employees, locks, or security systems. Thus everyone went in and got what they wanted without putting money in the "honor box".