Direct quote 2008-08-24
“when you design a game, you have to target who you want to target. And you design knowing which target to approach, and that's the key.”
What it documents
Asked in 2008 about the trend toward simplified controls, Kojima said he was not worried because the essential thing when designing a game is knowing which audience you are targeting; he qualified that a new interface can make a game harder rather than easier — he gave the example of driving with a motion controller compared with older racing games — and that the responsibility for choosing the direction lies with the designer.
Source
Video Games Daily / Kikizo, 2008-08-24 (page 2 of 3). View source ↗
“For some players, motion control will come naturally straight away, but for others it might feel difficult, so the game designer is really now responsible to think about which direction he or she should take.”