Split (2017) Movie Ending Explained

I think M Night's ending works. Let me explain. 
Let me know your thoughts down below!

In this video:
-I try to forgive M Night
-Explain the ending to SPLIT
-Bridge the connections between SPLIT and UNBREAKABLE
-Talk about the characters origins and a possible sequel
-Use red arrows because people like them

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SPLIT:
After three girls are kidnapped by a man with 24 distinct personalities they must find some of the different personalities that can help them while running away and staying alive from the others.
Director: M. Night Shyamalan
Writer: M. Night Shyamalan
Stars: James McAvoy, Anya Taylor-Joy, Haley Lu Richardson