It's official, Corporate Passwords Are Cheap
net-security.org
net-security.org
I'd mostly guess that no-one is offering to sell a (to them) meaningful business password on the cheap, but perhaps they underestimate what could be done with it. Or perhaps they see their IT or building infrastructure as sufficient to catch unauthorized people standing at the tills, or at desks (and they may be underestimating again how straightforward it can be)