I do think this article is a bit sneaky dressing itself up as entertainment since it is published by a business that profits from people deciding to invest.
It does provide a means to illustrate the agency problem though.
If I had perfect knowledge of the future and had to buy and hold a given set of positions for myself for some fixed period, I would simply choose those that maximised my return at the end. HOWEVER if instead I had to invest on behalf of others (in return for some fee) and was subject to being fired, I would be tempted to choose a different (thus suboptimal) set of positions such as those with smallest drawdown / maximised minimum rolling quarterly Sharpe / ...