You can't compare the Smiths and the Carters. Will and Jada parent differently than Bey and Jay.

Blue didn't call attention to herself when she was a baby walking around with her hair a bit undone. So, this gives people something to talk about in a positive way. She enjoys dancing and has been taking lessons under Debbie Allen for years. Plus, she's been in her mom's rehearsals learning choreography, esp during Coachella. This is "In your face" to all those haters who said I wasn't pretty. This is also in front of the Beyhive - she feels the love every night she is on that stage. I'm sure Bey protects her from any negative talk and she and Jay know how to counsel her through that type of stuff...and probably already have based on what people have said in the past about her.

I don't understand why people are tripping over her tour appearance (about 2-3 minutes) when she's been in videos and songs before.

https://zora.medium.com/the-emergence-of-the-blueprint-iv-blue-ivy-carter-27f150e5ccbb?sk=4517fbaf3449879a5d32ba5eb6312a7e