Is there still such a thing as a Honda track, a Yamaha track, or a Ducati track (or even a Suzuki track)? Once upon a time, it seemed like there was. MotoGP would go to Indianapolis, and you knew that a Honda would win. Go to Mugello, and chances are, a Yamaha would emerge victorious.
In the press room, we would spend hours trying to decipher why one bike or another would win at a particular track. Was it temperature which counted? We suspected that, but then a Yamaha or a Honda would win at a cold track one week, and a hot track the next. Was it the layout or the type of corner that mattered? Hondas dominated the stop-and-go layout of Motegi, and then got destroyed by the Yamahas at the stop-and-go layout of Le Mans. In the end, we figured it all came down to grip: in low grip conditions, the Hondas were quick; when there was plenty of grip, the Yamahas were unbeatable.
That disappeared in recent years, killed by the technical developments which led up to the switch to Michelin tires. 1000cc engines, spec electronics, and the regulations which have seen the bikes grow ever closer in performance. With the differences between the machines so small, other factors had a greater impact on results than just the character of the bike. No longer can you predict a winner based on which bike they are on.