I've posted about this thing elsewhere.
To me, Yamaha have always been one of the industry's greatest innovators and this one is a rule bender to the extreme - in that they've made the front wheels just 1cm wide enough for it to be ridden on a car licence (in the UK and IIRC, quite a few other European countries).
So for city commuters without a motorcycle licence you can either take the car (expensive to park), take the train (COVID19, other peoples sweat etc), take a pushbike (has it's merits, but depends on your commute) or.....by a TriCity @ 7 and a half grand (with some resale value when you're done with it)
It's highly unlikely that UK insurers will cover you for this thing on a car licence without some basic training (about £150 for the day)
I would consider one if it had a bigger engine (it's about the same power as my DT, but much heavier or if they made it battery powered (probably make it more expensive though).
I think the aftermarket industry around additional weather protection will be quite brisk (detachable roof.....bigger screen....wipers....heater?)
