Without knowing the specific reasons for why the owners Ross and Averill Pettitt continued on with Spitfire, I'm going to take a stab and suggest that they wanted to just keep enjoying racing one of the last Aveross (yes, the moniker is from their names) horses they would get to race together, seeing as a death notice was in the ODT for Ross today, having died on Tuesday aged 72 from cancer. I'll leave it there.