To tell the truth, it is not. First, very commonly, each of the bulbs installed in the track is low-powered. For example, if we compare it to some modern chandelier or a big pendant light or some electric sconces, other models of lighting installable in kitchens.
What about the efficiency principle if we choose to set up a kitchen track lighting? Well, it may look wasteful as well as consuming too much power.
Not wasteful though there seem too many lamps