There has been enough stirring on this thread. There is no cover up or conspiracy. There simply isn’t enough information yet. They are waiting for the coroner’s report, who in turn is waiting for lab results. They have to consider that possibility that he could have lost control as a result of a medical condition. Stroke, heart attack, low blood sugar, heat exhaustion, food poisoning, medication etc. etc. .
They have to bring in experts to analyse the defects on the bike in order to determine if any of them could be the cause of the crash or if they are all as the result of the crash. They also have to get in experts to analyse the crash scene for clues or evidence.
The bikes were spaced out at fairly long intervals as a result of the dust. The person behind in all likelihood could not see clear enough to know exactly what happened. The injured rider will still be under sedation and in all probability won’t be able to give a proper statement, even if he saw or remembers what happened.
There has been enough speculation and BS. My brother’s accident happened in a very similar way. 9 months later and still nobody knows exactly what happened.