> Genuinely curious - why not? Is it just for ideological reasons or is there an actual use case preventing you?
Ownership requires decentralization.
In our case, we can't make a "Steam that's owned by game developers" if the listing information (the screenshots, the titles, the descriptions, the game files, and so on) are hosted on AWS.
Ownership means that, if the original creators were to walk away, the asset would still exist without the need for the original creator.
This is (maybe) a new business model: take something that was previously a service, turn it into an asset instead.
In a "service", the original creator operates the product. In an "asset", the original creator does not typically operate or control the product. So to turn a service into an asset, you "decentralize" the operation of the product; typically via a commodity market which drives the price down and disconnects the creator from the original product.
As a real world example, take cars. Imagine if, when you purchased a car, you paid a subscription for your car service. Then someone came along and said "hey, you should just be able to buy a car and own it". Critics argue "but then who would fix it when it breaks? who will fuel it? There's no way anyone could provide you these services better than Ford. This 'car ownership' must be a scam." And sure enough, many people come along selling you a pink slip for a car, claim there's only so many to go around, and people speculate on the pink slips. The critic then argues "see, all this 'ownership' stuff is just a scam! Everyone's just buying the pink slip to sell to the next sucker." In fact, the pink slip sellers never made the car, and disappeared with the money. The speculators and scammers are indeed speculators and scammers; but they don't change the underlying point: it's not unreasonable to try and sell the car. In order to make the car an asset, you must "decentralize the car"; by ensuring anyone can become a mechanic and anyone can sell fuel to the car.
In Strangemood's case, we make a decentralized marketplace for software licenses, that's owned primarily by the sellers (ie: decentralized Steam). If Strangemood stored files on S3, then whoever owns the the AWS account is the only operator, and so the product is a traditional service, rather than an asset.