rose-tinted hindsight I think, although as the stakes get higher the behaviour's likely to exaggerate
"pretty ordinary behaviour" in cricket is fairly well-established – like the bodyline ashes series, whenever that was
footy – diving's just the "new" cheating; previously it was kicking players off the pitch (which is how diving came about I suppose)
rugby – not my sport but, in the 2 games I played aged about 17 I saw enough "dirty" play to convince me that it's rife. What's so bad about feigning injury in a game that seems largely devoted to inflicting injury?
F1 – I've a feeling that gamesmanship is WELL established there. It's just the getting caught bit. All those "racing incidents" & pitlane near misses …
Oh' and Tom Simpson (et al) ?