yes, if you film strangers, and your cam is focusing too long, you need to shake or do something funny, - otherwise its getting offensive, you always got 1 chance, never a second one, your face expression has to be a bit funny-cool, never too serious
it is a difference, if you film a official show-stunt girls
https://youtu.be/pTpNG0qytYY?t=1m38sor girls with a wristband-color, where you see, they are paying guest.
Also if you film staff persons, you should ask the organizer, if this is ok,
(I ask Jack, from Jazz Enhternainment, and I stopped filming, when he gave me the sign for "cut".)
Double Tree has the same light situation, like the So Pool,
if you film persons from inside, with the sky in the background,
you always will get a shaddow film.