I am sure we are reading to much into this, as on Instagram you can only add a timestamp for the current time, and not in the future. So maybe he was just walking past it on his way to Peston and decided to take a photo of it.
‘One ITV’ is the in-house branding for all internal signage, intranet and staff-specific activity linked to ITV work.
The artwork in that Instagram post is from one of the second floor corridors at TLS
Views are my own and not that of my employer!