Agreed, there should not be economic incentive in that case. But the OP could be interpreted as they are allowed to utilize the wells that are "destined" to be

Agreed, there should not be economic incentive in that case. But the OP could be interpreted as they are allowed to utilize the wells that are "destined" to be shut-in (until they are shut-in). What leads you to believe they are going to be kept going longer than the shut-in date?