Falling for beauty and falling for character is not the same thing. It might look as beautiful as gold, but is it actually gold? 
Its all about standing out and also being magnificent from inside out.
 

You can call unsustainable buildings as sick buildings because they wont have climate responsive design, Poor lighting and ventilation, inefficient systems, High energy usage etc.. which ultimately make tenets life miserable by experiencing uncomfortable hours at the building and end up paying expensive bills to live.

Its important to get certified from responsible organisations so that they check the building in every aspect and every parameter and rate the building how green it is. How you consider Hal mark certified gold, you must consider green certified building.