Why would that happen? Look at this example from the Super Mario 3D World + Captain Toad: Treasure Tracker 4k pack.
[TextureRedefine] # tv
width = 1280
height = 720
formatsExcluded = 0x008,0x41A,0x034,0x035 # exclude obvious textures
overwriteWidth = 3840 #3x original
overwriteHeight = 2160...