Yes, because when people are hit by a nuclear disaster, the last thing they need is to get drawn into a bitter, decade-long feud between two halves of the town,

Yes, because when people are hit by a nuclear disaster, the last thing they need is to get drawn into a bitter, decade-long feud between two halves of the town, the "sellers" and the "remainers". And that's what your policy will bring about. If you don't see why, imagine you own a home and the assessor says "Really? But your house is not any better than your neighbor's, and they have agreed to the price of $1M. Don't be so unreasonable."