I wonder if you consider India to be in SE Asia. If not, please ignore the following.
Last I looked there were regular elections happening there, with "strong leaders" being voted out of power with some regularity. They have problems (same as everywhere including the USA), but democracy / free elections aren't a problem (yet).
"Democracy has never worked in SE Asia" is an extremely strong statement, and in your comment, I find too many stereotypes about the region, and a shallow understanding. (paraphrasing -'some of them believe in karma and so democracy can't work there' is so ridiculous an argument that I wonder if you are doing it deliberately to provoke discussion. Makes about as much sense as saying that some catholics believe that a monarchy is the best form of government so elections won't work in Ireland)