It’s peculiar this. The incident has been deemed not requiring further investigation by HSE I think, suggesting no negligence.
My understanding of what happened is Flintoff took the Morgan out, and attempted to slide the vehicle, having been told specifically not to by Morgan and production given the dangers of doing so (due to its 3 wheel design). He did so anyway, without a helmet, going against the protocol and advice at the time. All of this was off camera, when not filming segments ie in his downtime.
The fact there’s no HSE case to answer aligns with the above explanation, which then all seems rather at odds with a £9m payout.
Really weird