Spread what risk? They are already making money of you. The risk they take is really small compared to what kind of money they are making...
Sure, they already have the opportunity to demand that information from Swedish commercial banks and other financial institutions, but it's not as convenient as the direct control they have with a centrally managed digital currency.
The really nice thing with fungible physical goods like paper currency or similar is they are not in any shape or form tied to my identity. That's a feature.