Short.
10 Reasons:
1. Costs less (e.g. less shampoo).
2. No long hairs in the shower.
3. No hair in your eyes and mouth.
4. You can walk in wind and still have good visibility.
5. Thugs can't pick you up by your hair when you're late on your bookie payments.
6. People cannot mistake you for Jesus.
7. Hair cannot get stuck in escalators, conveyer belts, etc.
8. Fewer neck injuries due to reduced urge to head bang.
9. Lower risk of death due to fewer pampoen boere wanting to bliksem you.
10. Less of a fire hazard.