I used to think the same way,too .But after I heard my teacher explain the uses of the electric bike last week,I had some different thoughts.Electric bike have both positive and negative sides.On the good side,it to protect the environment,it doesn't produce smoke.It also smooth when driving.On the bad side,it makes students get lazy.They don't walk but drive for a short distance and that'll cost them money.So,in my opinion,electric bike is very useful,but it will be harmful if you depend on it too much.