Treadmills make exercise a more viable option when it’s raining outside, you don’t want to worry about getting mugged at 11PM, or just don’t want to get dressed

Treadmills make exercise a more viable option when it’s raining outside, you don’t want to worry about getting mugged at 11PM, or just don’t want to get dressed to go out. People who exercise more are often healthier, and health has all sorts of benefits on society.