East End diehards are standing up against what they say is a family-day-out gentrification of the game Watch Mo Farah winning his golden track double in the 5,000m at London 2012, or Jessica Ennis landing the heptathlon title by winning the 800m, and you will notice that every single person in camera shot at the Olympic Stadium is on their feet. Tens of thousands of them roaring their heroes to glory. The London …