Importing Portal 2 mdls are metallic and messed up textures

[Bassquake]

As title. After unpacking using Crobar 0.74 on Portal 2 and then Import into Blender 4.2, the objects are metallic and textures are wrong.

This is what it looks like importing metal_box.mdl from models/props:

This is its shading settings:

Disconnecting Green to Metallic gets rid of the metal look but textures obviously still borked.