In my opening comment I referred to oil emulsification. If you want to ride with emulsified oil, fine. James was seeking opinion, I gave my opinion. Forums of this nature are principally guys and gals having a chat, offering opinion and views.
In response to your question, yes I would change the oil, but then none of my bikes or cars have ever had the problem Ė no multiple short rides. My mechanical sympathy would avoid such issues. As we have both said, multiple short rides can be the cause of Jamesís problem.
Interesting there is a suggestion this is a Ducati issue. Is it only a Ducati issue? Are Ducatiís steam powered for the first 15 minutes?