Virgin know they have to do something about upload and their plan is to move everyone to fibre over the next 5 years, but as usual they are too late, their advantage over the competition left them sitting on their laurels and allowed them to overtake.
I think most VM customers are simply waiting for Openreach and the altnets to complete builds and will be jumping ship.
Hub4/Gig1-> pfSense->Microtik CRS312/CSS326/CRS305->Meshed Asus RT-AX89X