It was an extraordinary incident - why didn't the stewards act?

Here's a question for you all, since it's Safer Gambling Week. What responsibility does a sport have to bettors to produce results that are accepted as fair by most, rather than inducing frustration and resentment?

I reckon such a responsibility exists and that racing failed to meet it on at least one and possibly two occasions in the past week. The problem seems to be that interference at the start of a race, or soon after, is not taken seriously by stewards when considering whether the placings were affected.

Exhibit A was an extraordinary sprint handicap at Kempton on Tuesday night, in which the big, grey Vape made a sharp left turn out of the stalls, carrying three of his nine rivals to the outside of the track for several strides. Straightened up, he was soon in front, which proved the right place to be, as he lost out by only a short head to a rival who'd had a clear run from the innermost stall.