Of course yes. I'd say a bit longer than 30 seconds to get some really good 'messages from our sponsors' across.
Ultimately this will end with extra-time multiball
https://www.youtube.com/watch?v=tYIKx4wiIYc
Well if after warning they don't cease and desist, then they'd all be in the bin. You'd imagine the whole point of the idea is to get players to start respecting the ref. In the beginning there will be chaos like this, but players will learn and new tactics come to the fore.
Frankly I think...