What does this actually prove? You know, apart from the obvious that A console saw X no of views and B console say Y no of views? It's not uncommon for trends to vanish as quickly as they were established.
There was a time time when people thought that there was no way NCL could go from the 101 million selling Wii to 13 million for the Wii U. But, you know, things change.
I think Nintendo has changed for worse - they appear to be positioning themselves as some kind of "premium" brand and extolling "Nintendo-like" profits to their shareholders and moving far, far away from the mass market roots established by Yamauchi, Lincoln, Howard etc
It actually proves there is far more interest in the Switch than there was in the WiiU.