Motorbikes and Helmets





There have been a number of promotions and large posters scattered throughout Phuket for people to wear a helmet when they drive a motorbike.


I would like to understand why this tourist does not wear a helmet? 


Should I think that:
1: the tourist should be more aware of the law when they visit Phuket?
                 or
2: the tourist feels that they are above the law when they visit Phuket?
                 or
3: the tourist is plain silly?