Except that lease $ payments are fixed and agreed at point of contract. The parent is suggesting that on day 0 of the lease the lessor doesn't know if the EV w

Except that lease $ payments are fixed and agreed at point of contract. The parent is suggesting that on day 0 of the lease the lessor doesn't know if the EV will be worth less than they project, due to accelerated obsolescence from a new technology emerging. You're right in the macro, that if this happened leases would go up, but those that were already in contract would be "protected" and I think that's his/her point.