Only problem is, the killers are free and Koh Tao will be remembered for it.
I rather think there will be several thousands who shall remind cyberia of the fact of this ghastly cover up.
Certainly, I have spoken to my kith and kin and there are consequences among their milieu.
There are at least three homicidal psycho Thai chaps on that island who have now tasted blood and will be free. Wouldn't want my daughter or son to spend time on it and will do my best to inform others.
All a question of responsibility, really. One can only do one's best and when folk ask I shall advise them accordingly. Go to Vietnam, Malaysia or even Cambodia but give Thailand a wide berth unless it's just a few days in Bangers.