Apart from allowing truly disabled people from playing the game (if my parents in their 80s can walk around the course, I'd submit that 99% of everyone else could too), the golf cart is more bad than good:
- Carts chew up and damage courses, especially as people chronically ignore the no-go areas.
- Carts waste the time gained from faster movement a) by the necessity to zigzag all over the course (when do you ever hit the ball straight down the fairway just like your cart partner or do you each find opposite sides?) and b) due to the longer search for each ball and more lost balls since you cannot follow the line of your shot all the way along from where you hit it - you must approach the ball from either the cart path or from your partner's ball and often it's impossible to know exactly how far you hit
- Carts mean you get almost no exercise, which doesn't help your health
- When you hit a bad shot, you can drive too fast in a cart; or you can have an accident, even when you are a professional race driver.
- The fact that you don't walk means that you don't get your body properly warmed up; from the third hole on when I'm walking I'm playing better