Comment by jsheard

> My understanding was that market research showed a lot of users were turning off the 3D stuff anyway

It was also because young children weren't supposed to use the 3D screen due to fears of it affecting vision development. You could always lock it out via parental controls on the original, but still that was cited as a reason for adding the 2DS to the lineup.

https://www.ign.com/articles/2013/08/28/nintendo-announces-2...

> Fils-Aime said. “And so with the Nintendo 3DS, we were clear to parents that, ‘hey, we recommend that your children be seven and older to utilize this device.’ So clearly that creates an opportunity for five-year-olds, six-year-olds, that first-time handheld gaming consumer."