Should NS and wiiU be both labeled as 8th generation?

[JRPGfan]

look at this.... front page of VGChartz.

http://www.vgchartz.com/embeds/worldwide_totals.png?a=6
Global hardware totals : "this generation"

Switch is there, alongside the PS4 and XB1.
Even VGC calls the Switch a 8th gen system.