From my perspective,I disagree that watching television is not a good use of time with the following reasons.
To begin with,broadening our horizon is one,you know,nothing else in the world can speak to us like television.It provide us with a lot of information such as international news,events and politics,helping us learn about the world.
In addition,let's not forget about enriching our life.Nowadays,many television programs have flooded into modern living,such as TV shows,science programs and social story,which really color our normal life.
Therefore,that is why i disagree that watching television is not a good use of time.