Your post explains exactly what I was saying. 10-15,000 mi/yr isn't much. Many people are commuting long distances these days, and that limit can be restrictive.
Also, damages that a leasing company cares about are often more minor than an owner would care about. Just look at the number of cars that have minor dings - the owners don't bother to fix them, but leasing companies will charge you for them.
Leasing is expensive. And you have more worries (mileage and dings) than an owner has.
It's much better to buy a car for cash, then to use the payment money to save for the next (and better) car. Paid for in cash, as well. It doesn't take long to move to a luxury vehicle, even if it is a relatively new used one.
To each his own, I have had great fortune with leasing....of course I know to negotiate the car price first. I don't drive much so 12,000 a year is fine with me.