Earlier quoted context omitted.
My exposure to this is limited to cases in Europe and ones that I was a direct witness to and in all those cases it was pretty clear that the company was created with the express purpose to commit bankruptcy fraud and the result was the owner of those companies lost his shirt. All other attempts to pierce the corporate veil that I've seen failed.
Presumably that fraud involved assets that belonged to the corporation (or were represented to creditors as such) being transferred outside the corporation to other entities controlled by the owner? That will pierce. Imagine instead someone who builds a store in a location with insufficient commercial traffic and whose corporation fails for that reason alone: her creditors can't take away her house, her retirement ac…
He did this several times before the corporate veil was pierced and they took him for all he had.
The other case was one that is probably best described as mismanagement ('onbehoorlijk bestuur') where the CEO/sole shareholder of a company started using the corporate account as though it was his personal account. When the company was unable to meet payroll taxes the taxman seized his private assets after piercing the veil.