They are saying that this is what the want to do. They can't do that because it would be illegal.
This is not just any law, it's in the German constitution (https://www.gesetze-im-internet.de/gg/art_14.html).
This is not just any law, it's in the German constitution (https://www.gesetze-im-internet.de/gg/art_14.html).
It says the compensation is determined as a balance of public good and the interests of those affected, so to me it does read like the compensation can be lower than market value so it'd all come down the courts to determine how much below the market value the state can get away with.