Yes. She knows EXACTLY what she's doing.
And... what?
So long as it's not "Overtly Sexual" it's cool by Twitch's rules. Slurping a popsicle or licking a peach in a suggestive manner would be overtly sexual. Wearing tight outfits and doing silly dances and exercises that show off your cleavage is not overtly sexual.
Still isn't "Kid Friendly" content 'cause there's so little actual CONTENT to it. Like, where even are the game screens? Most kids would get bored in 20 seconds and wander off.