JessicaJ: Ganon has the expression of a father, who, for the umpteenth time, vainly explained that "the room doesn't get colder when you leave the refrigerator door open".
His son misused it again.
So he's given him some pointless toy to waste his time with,
while he contemplates who should inherit the house, the company, and the workshop full of power tools in his son's stead.