They'll have the numbers. The name of the riders will have very little to do with anything, i.e. there's nothing to say Vingegaard is a better option for Visma in this Tour 2024 than Jorgenson is. The path to victory for both probably requires a similar scenario: Pog DNF/mechanical at the wrong time/accident/sudden loss of form or a huge echelon time loss, along with other rivals (Rog, Evenepoel, Rodriguez etc.) not being a level above either. On top of this, Vingegaard will need to rediscover his best form. That's a lot of 'if if if', i.e. just because Vingegaard demolished the TdF in 2022 & 2023, it doesn't mean he has the intrinsic physical capabilities to rise a level above Jorgenson next month considering what happened to him in Itzulia.
It's not like football where even an off-form Messi will deliver some magic in the right conditions. If Vingegaard doesn't have the legs, he'll drop like a rock.