Great publicity-campaign-model work !!! :)
But 'theming' ??? NO.
In my opinion, theming is still about transporting you mentally into a different environment, causing you to FEEL and BELIEVE you are 'there', not 'here' (the actual real world). But, No feelings at all, in this instance...
What we see here has another name: Decoration.
Don't please degrade the specific meaning of theming. It allready has been degraded so many times, down to the bottom of respectability of our jobs of 'themers...'
You can see such decorated busses in London. Bringing a publicitary message. I was seaching what kind of products are behind the monorail decorations. None? Then... its artist's work!? Instead of going to the museum, the museum drives along.
But 'theming' !???? NOOOOOOO...

Take your point but I think this is a case of 'theming'. The term, like 'art', is tough to define or pin down.

Our industry is a broad church and themed designers do a wide variety of work in a wide variety of locations and attractions, from restaurants to major theme parks to crazy golf courses and sports stadia. Projects can utilise the latest hi-tech gadgetry or simply use basic models or design. What all decent examples of theming do is enhance an experience and the monorails undoubtedly do that. One in fact (pirates) is explicitly linked to the park's new Mutiny Bay attraction and the others certainly enhance the experience of the park itself as a whole.

In response to Herwig's comment, I would agree to certain extent, the word 'Theming' is a term often misused, I should know, having designed and re-themed some very well known Theme Park attractions for Alton Towers and other parks in the UK & abroad for many years. The 'graphics' designed by Sarner however each have a specific 'theme' that links to the interior colour scheme and audio soundtrack. So as to the question of the Monorail Trains being 'themed' or having 'theming', I think this is a bit of a moot point. They have been give as much of a theme as health & safety and Operations would allow and fully answered a very specific brief. Also, as a user of London Buses every day, I'd love to know what part of London such thoughtfully decorated buses operate. My experience is badly applied, poorly considered graphics that don't consider the vehicle they are being applied too. To compare London Buses to the Monorail Trains I think is quite unfair. So, while both employ applied graphics, I think this is where the comparison ends.