Storage is cheap.
Bandwidth is expensive.
Maintenance (node) is expensive or I presume it is.
Storage is cheap.
Bandwidth is expensive.
Maintenance (node) is expensive or I presume it is.
The bandwidth required is a huge centralizing force.
Even trying to do P2P video sharing causes individual users to hit bandwidth limits etc.
Anyone selling bandwidth to a centralized entity can cut off access to that bandwidth if the data being shared offends the wrong people.