Can Pixel Shift Give You the Best High Resolution Images?

The Slanted Lens:

Does Pixel Shifting really work? Can the Pixel Shifting on the Olympus E-M1 Mark 3 Micro Four Thirds or the Sony a7R4 Full Frame match a Fujifilm GFX 100 Medium Format? Does Pixel Shifting make them comparable? See how the Fujifilm GFX 100, the Sony a7R IV and the Olympus OM-D E-M1 Mark III stack up in this camera comparison.