Coventry have no points, Spurs have no goals and Villa have dipped again. But what does a bad start really mean? By Opta Analyst That optimism we feel at the start of a new season can be intoxicating. Whatever happened last season, there has been a whole summer to correct things. New signings, possibly a new manager, and new possibilities. What could go wrong? Oh, everything. Terrific. We’re only in mid-September, but that early optimism has melted away and been replaced by anxiety for some fan…