Remember that back then, the NLD had only a handful of seats it had won in the by-elections and there was actually.... Well, I won't get into it. It's all very internal local politics, but suffice to say, NLD was a minority already and the Muslims were an even smaller minority of a minority—almost negligible. It wasn't as if they were able to use their parliamentary seats to do much at all.
On May 4th, 2016. See this statement in context.