I still want White Knight Chronicles III.

So that's mean " bye bye 3DS support ".

He said future so people should not jump to think everything they announce going forward will have Switch versions. It maybe a few months or over a year before all current development is moved to the hybrid platform.

If Level-5 had said this in mid-2017, I'd have the same mentality as you since it was around that time when Japanese 3rd parties were convinced the Switch wouldn't fail and started allocating resources towards the platform.  I think he said this now because Ni No Kuni 2 may have been the last title they had on the assembly line that was too far along in its development process to have a Switch version be considered.