The thing with the Ball Up guys are - They don't take these games as serious competition if you were in league.
That means they are hitting up the club after games. drinking etc. No ones in bed by 9pm and reviewing tape.
It's a cultural thing as well. Aussies with the talent, skill level and size to make the Ball Up guys work are either committed to state league competitions, can't be bothered or don't want to risk being embarrassed.
So what they get left with is teenages and young 20 year olds that just love the game.
The Ball Up team is all about marketing. So of course they'll exaggerate their accomplishments.
As far as skill level for the Ball Up crew. I think there's clearly two types of players on the team. The Streetball legends like AO and Bone Collector who are well passed the wrong side of 35 now. These guys made a name for themselves over 10 years ago and can still go for their age... but gotta remember AO is like 42 now!
Then you got some young cats out there with Zach LaVine like athleticism, but you don't see much else beyond that. Maybe they got some actual fundamental skills, but you won't see it in the Ball Up environment. Then there is The Mosquito, who's shorter than the professor. He's quick, has a gimmick and is entertaining but his jump shot is ass.
Basically don't expect anything other than entertainment from an exhibition like Ball Up and you'll enjoy the night out.