Radioactive fallout can be cleaned. Most of the Fukushima exclusion zone has been resettled. Pripyat was not resettled because it was a planned town specificall

Radioactive fallout can be cleaned. Most of the Fukushima exclusion zone has been resettled. Pripyat was not resettled because it was a planned town specifically created to support the power plant and its workers. So there's no reason to spend the money to rehabilitate it.