the reviews complaining that she's "not a person yet" (that review on here by Jade Opal is so bitter, inaccurate, and misinformed) are baseless. This is not meant to be a tell-all documentary. She's showing and immortalizing what she does best: sing.
After the horrors she has publicly experienced, expecting her to show her life to a camera so she can seem like "a real person" to you makes no sense.
You are not entitled to anyone's life. She is a singer, so she sang. And she sang beautifully. If you're looking for an inside look into Ariana's life, we are never going to get that nor are we entitled to that. But if you want to see some beautiful stage visuals, and hear the pop princess of the 2010's do what she does best then this is worth a watch.