Strong ownership laws are a fundamental requirement of a State that is deemed worthy of investment. Why would anyone bother if the government could just take all your shit without compensation.
Eminent domain doesn't happen without compensation. It's done at fair market value, almost always settled by the courts, that don't have a political interest in the outcome.
It doesn't mean take your land without compensation. It means take your land whether you like it or not, for fair market compensation.