My main point was that the Wii, unlike the 360 and PS3, didn't actually output a 16:9 resolution, it was only able to use the trick described in the article, so I wouldn't include it under "most people's first taste"
Didn't realize more games used the same trick, though
Loads of original Xbox games supported 16x9 too. Stuff like HL2 and Doom 3.