reasons :
1. You have a choice of novice or expert routes
2. A climb can last all day
3. Guidebooks tell you how many have been on the climb before you
4. You can choose the length and diameter of your rope
5. You should always have back up if you fall off
6. You can leave your protection behind for the next bloke
7. There are lots of tight cracks to wedge your nuts into
8. It isn't considered kinky to wear a harness
9. The only rubber you need wear is on your feet
10. There are still untouched rocks out there
11. You make the choice about wet patches
12. Rock stays hard forever
ps .. i don`t belief it .