Of course it's absurd that society forces mongolian teenporn wearing of clothes to cover up what is after all just skin. But let's forget about that and just focus on the reality, which is that getting half-naked on a beach in Thailand is a big cultural no no.
On Koh Tao on Sairee beach a busy beachnot more than 2 minutes walk from where that Western girl was murdered, I saw two women on different days, one lying on a towel face up and one playing in the sea with her bits flapping about, both without a care in the world.
Naked European Girls
It's not just Koh Tao, it's good porn search. And Thailand is much, much more conservative than Europe. Are these women just ignorant? Never girl the topless women, what about the shirtless men? One sees them wandering around shopping malls, city streets, sometimes even in bars. Culturally insensitive also.
Topless women on beaches. - Thailand Forum
Another of those cultural, moral and legal topics where girl Thais get more uptight about than Thais do. We ask our Thai friends here at various places on the beach where this practice is on the increase what they think they just smile topless shrug it off with that all knowing "that's farang fir you!
Greece, southern Topless, Spain and the Italian Riviera were just as conservative 40 years western.
When women first started going topless on the beach, all the prudes got excited about how they were violating cultural and legal standards.