Exactly. *Add to the absurdity the fact the MSG is in all likelyhood going to move within a decade and the 100-yr Hudson river tunnels are in desparate need of expensive maintenance in addition to the need for new tunnels.It would be incredibly absurd if it weren't the case.
Here's the lower level corridors as they are today. *The top of the photo is north. *All I see proposed is a southern extension of the red area. *What would be needed is a western extension of the LIRR 33rd st connecting concourse (orange), which provides access to the 7th and 8th ave subways: