It's an extreme case but it highlights a very real dilemma for every neophyte collector who's thinking about hiring an art adviser: Are you putting yourself in the hands of someone who's going to treat your walls the way a shady auto mechanic treats your alternator?
Those that can do it without setting off the antitrust alarm of regulators should be thinking this way, especially if too little market power is concentrated in too many hands.
Our ancestors survived through a bias for action (e.g. eating every scrap of food I can get my hands on or clubbing a creature that looks at me sideways) not a bias for planning (thinking about retirement from hunting and gathering).