There very much is.
Ghibli is preserving the "value" of the film by not allowing it to be made into a commodity. He wants people to want to decide to watch the films and have them in physical possession, rather than decide to pull it up amongst the hundreds of thousands of other options at their fingertips. "I don't want to do it because the films would be treated as cheap commodities." [1]
Their approach to merchandising might shed a little bit of light into why is doing this.
> "With regards to merchandise, we resolved not to make more than 10 billion yen. If we surpassed that number, we would gather all the associating companies and berate the person in charge in front of the whole group. Really. One time, everyone got on our case about it, saying, 'You've got to sell more.' Someone from one particular company even said, 'We could raise the sales to 200 billion yen just by ourselves.' It's not a joke. If they did that, then Ghibli's characters would die instantly. I want Ghibli's characters to have a long life.
They see more to their characters and IPs than dollar signs, and they're taking active steps to preserve it. Which is why the collectors editions of their films (Spirited Away coming Nov 12) are finely tuned and have well thought out art books. The feeling and memories they're creating are more than just the runtime.
[1] https://www.animenewsnetwork.com/interest/2019-04-13/ghibli-...