Halo Vondetan battlecruiser tradeoffs

What does the panel think of the Vondetan-class battlecruiser from Halo reference material?

It is a true battlecruiser concept: battleship-grade firepower on a cruiser-derived hull, formidable on paper but fragile under sustained wartime punishment.

The fictional Vondetan is an 18.5-million-ton hull about 1,600 metres long, nearly 400 metres wide, and 510 metres high. Its planned and completed weapons include magnetic accelerator cannons, missile cells, nuclear missiles, and point defence, alongside embarked craft and troops. The design puts battleship-grade firepower on a cruiser lineage while leaving armour distribution and survivability exposed. Its relationship to the Valiant and Artemis designs is debated, including whether shared lineage implies the same internal protection. The class was whittled down so severely that as few as three hulls may have remained by the end of the war. The Valiant comparison also raises a tactical problem: a rare UNSC capital ship could attract concentrated Covenant fire regardless of its own firepower.