Originally Posted by TravellingChris

I wouldn't recommend the e-gates for all nationalities on arrival, only a small handful of low-risk countries. For example, to use the UK e-gates on arrival it is limited to UK citizens, EU, Switzerland, Iceland, Norway, Japan, South Korea, USA, Canada, Singapore, Australia, New Zealand. In Thailand's case I would suggest the same countries plus Brunei, Malaysia, Taiwan, Hong Kong and Macau.