[TesTVWhirl]

If anything, the witty break bumpers could be the perfect opportunity for them to still launch it, but with a few tongue in cheek self-deprecating references to the channel name change, akin to how Channel 4 have been known to still reference 4OD sometimes. It would require some confidence from them so may not be something they'd do immediately at the launch, but it would certainly be on-brand for Dave and not taking themselves too seriously may even help get the new U name some extra exposure.