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> Rugby is recreation. Riding in a car is a necessary part of daily life. Regardless of risk, one can be given up much more easily.

Exercise is a necessary part of a healthy life. If Rugby motivates you to stay fit, then maybe it improves your chances of a healthy life

Your comment isn't really pertinent to my point. It's like saying that steak is necessary because eating is necessary.

Yes, exercise is necessary, but rugby isn't the only way to exercise, nor is it nearly the safest.

Cars aren't the only way to travel in general, but, for many people in many situations, the other options aren't viable.