Switch is the succesor to 3DS and the timeframe makes sense. The console portion "generation" is a bonus and not the main focus of the release window. And some in VGC will defend that it is actually the first 9th gen, and that Sony and MS that will release mid gen.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
http://gamrconnect.vgchartz.com/post.php?id=8808363
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
http://gamrconnect.vgchartz.com/post.php?id=9008994
Azzanation: "PS5 wouldn't sold out at launch without scalpers."