Right, which is why a short term (2-3 year) use benefits a lease, you don't have to worry about a sudden change in value, it's factored in, up front, if the bottom drops out of the value of some car, due to general industry shifts, release of a new model, I don't have a hit on my TCO, it's fixed, up front with a lease. The projected value, at best case, for our DD/RT (aka, the family ride), based on years of historical value trending, was the exact same at the difference of the amount we will pay into the lease.
The money we retained over the period was put into a slightly more aggressive investment, and will wind up easily offsetting any finance costs, and we do $0 up front, so it's a no cost up front entry point.
At best case, it's roughly the same as selling it / trading it, in 3 years, but with the added effort of __not__ dealing with that process, and worst case, it devalues quicker and we'd be in a deficit, unless we kept it past the originally intended period AND didn't have any major maintenance costs outside of warranty.
Longer terms, sudden catastrophic financial issues require dumping it, sure, those scenarios don't work well with a lease. Also, you can make a pitch to the leasing company to own the car, I did that with my Lexus, it was either hand over the keys, or they go $5K under the (at the time) current value, they went for it, I wound up driving it for almost a year and selling it for a break even (it was at the good point, especially for a Lexus, for greatly slowed depreciation).