As I see it there is just one slight danger in Bazball. England score at a prolific rate. Going at 5 an over they can get 400 plus 80 or so overs. Australia, with their much slower rate, would take at least 140 overs to get a similar score. This means that England's bowlers in Australia's second innings could have a potential tiredness or wear and tear issue, especially if the same pattern is repeated over 5 Tests in a condensed period.