Photoshopped Little Mac - It Was Fake All Along! ¯\_(ツ)_/¯

Back when the Base Roster leaked, many people thought the leak was fake. The people that didn't believe the leak claimed that Shulk's render was a Photo Shop of Little Mac's render. (Example)
When Shulk was confirmed, this ''Photo Shopped Little Mac'' argument became a joke when talking about leaks, both real and fake.
(Examples)

Why is there an edited picture of Shulk as a boxer over the Shovel Knight amiibo?