Aren't they at least 30mm? Regardless, they'd look fine dressed in a decent set of fenders.
It has some fairly sturdy looking front and rear racks suggesting it will be loaded fairly heavily. When carrying stuff you need either more pressure in your tyres or larger diameter to stop them bottoming out on potholes. The increased pressures can make for a very harsh ride which is not only uncomfortable but puts greater stress on all parts of your bike making component failure and injuries more likely, so fatter is better. More comfortable, safer, reliable and even faster.
It has some fairly sturdy looking front and rear racks suggesting it will be loaded fairly heavily. When carrying stuff you need either more pressure in your tyres or larger diameter to stop them bottoming out on potholes. The increased pressures can make for a very harsh ride which is not only uncomfortable but puts greater stress on all parts of your bike making component failure and injuries more likely, so fatter is better. More comfortable, safer, reliable and even faster.