The makers just want to end Zoya and Junaid together. That's why they are bringing stupid twists. Now Zoya and Junaid truly deserve to live together for all the wrong reasons. Arsal should get someone who truly loves him and respects him.
There are many other ways to end up zoya junaid together. Why to degrade third person. According to them junaid is strong and brave and only he can handle zoya but arsal is weak person. But mujhe toh ulta lagta hai