This man’s pointed finger could be a gesture drawing his companion’s attention to the passing Google vehicle. To me, it looks more like a sharp accusation pointed at Google for the sense of intrusion he feels.
The chevrons, contrasting with the wheelchair by implying freedom of movement in all directions; and the blurred faces – a dull concession to the tatty notion of ‘privacy in public’ that some of us grew up with – emphasise the layers of symbolism in this image.
And there’s another. The location is on a seafront in southern England, where in previous centuries members of ‘society’ would have promenaded at certain times in order to ‘be seen’.