I didn't see any questionable flying from the helo. It was after all simply hovering.
As for the motorcyclist, let's just say I wouldn't do such a thing.
Whilst I didn't see anything that should or could require CASA's involvement, I don't profess to understand that particular organisation.
That's not to say some clever dick in CASA won't try to make a big deal (and a name for themselves) out of this.
Disco Stu