Then it becomes a question of selling the needed asset now during the fire sale or waiting and having to sell even more as the price fails to recover over the years.
SVB would still be around today if it was possible to convince people to not panic sell
Price shocks in anything are generally bad for the economy (maybe with the exception of some commodities like oil, but even this can be bad since the producers of that commodity will be in trouble). You're too focused on the rich people, and not enough on the economy.
Price shocks are bad because they can cascade and cause businesses to fail, resulting in layoffs, etc.,. Stability is one of the most important things in the economy.
“Payments can be spread out over subsequent years”