Couldn’t be bothered to read all this but, in answer to your first question, book players that feign injury for unsporting behaviour. Even if he doesn’t do that, he should be adding on huge amounts of stoppage time to accurately reflect the minutes lost and compensate for the time-wasting. They...
Agree with the sentiment but teams will do what they can get away with to win. It's literally the ref's job to prevent it and they have the power to do so very easily. So there is still a problem with the refereeing.