The perfect wake? (when on plane)

I sailed on KATE (Alfred Milne designed America's Cup gaff rigged 12 metre) and the wake was minimal.

BYM News Magazine - Kate
Do all those people have a job to do to sail the thing or are they just moveable ballast?
 
Skipper (1)
Then you need one on each backstay. (2)
Plus two on the jib sheets(2)
And two on the stay sail(2)
One on water. Duty (barman after race) (1)
So eight - rest are there for the fun.
 
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