Let’s say someone bought 1,000 tickets at £24 with dodgy money, and then received that money back in fees for services rendered, sweeping the DRS after everyone has left for example, then you would have clean money.
I’m not suggesting this is happening (at least there’s no proof that it is) but would make sense if attendances were inflated
A lot more diplomatically, eloquently, articulately and crucially legally safe than I would have put it