I find this hard to accept. The sunrise is always unreal, even though we perceive it every day. So why can't we conclude that the world also is unreal, even though we perceive it?
In any case, my problem is with the reflection theory, which is common to both dvaita and advaita. Why does dvaita believe that the reflection is real, when that would be a contradiction in terms? If the reflection were real, it wouldn't be a reflection. Hence, advaitins argue that the reflection is always false.