My underlying thought for the previous comment is, could this quick adoption of facial hair (if genuine) be an indication that Jackson is actually one of the key players behind a lot of the major organisational changes lately?
He's been a more low-profile character in recent years, compared to the likes of Sanderson (and of course the always-OTT Lett, who seemed back to his previous form of exaggerated delivery with his recent broadcast justifying the beard change), and as a result not many have considered him a significant 'power behind the throne', but perhaps this is a sign that Jackson is actually more influential in tearing up the old GB1.0 rulebook than had been assumed? (And possibly also more responsible for the dumping of AMIII, too?)