Dr Mumbo imagines there may be some anguished meetings in the marketing department of Mastercard this morning. If they’re not all in Melbourne enjoying the tennis, that is.
This mornings’s news coverage is full of discussion about disruptive crowd behaviour in last night’s Nick Kyrgios match in the Australian Open.

How news.com.au’s James Matthey saw last night’s out-of-control Open crowd
Which makes it something of a less-than-perfect moment to launch an ad encouraging rowdy crowd behaviour.
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Who could possibly have thought that would go wrong?