Even if this is nit-picking, you left out a couple of titles that this site does clearly lists as million sellers.
According to VGChartz:
There was also a report recently that 20 Switch titles sold over a million copies each in just the 9 month period of April-December 2018, and that 8 of those were 3rd Party games.
This made me curious how many Xbox One 3rd party games were million sellers in less than its first 2 years on the market (November 2013 - September 2015) and came up with this general list:
Grand Theft Auto V
That's 22 titles assuming all 22 games sold over a million units during the comparative time frame (first 22 months), including the games that released in the cut-off month of September 2015.
You're right on me missing those two in Vg chartz, but even then I accounted for them in the very next sentence.
"Now I know they don't count digital sales, but in honestly there can't be more than what? 6-8 games?"
You then provide a source that shows there was 8, which was exactly what I speculated.
.And then you compare it to Xbox One, which has had luke warm sales, and never sold very well even at launch, yet it had nearly three times the third party support in it's first two years. And I would also note that I suspect this gap increases by a notable margin if you add another 2-3 months to the results since many of the biggest third party titles for the Xbox One and PS4 are released in October and November. Futhermore, I'd be curious to know what the PS4 third party picture was at the time. I suspect it was better than the Xbox One again.
Yet, somehow, you appear to believe that your points refute my claims that third party support on the Switch isn't actually very good? From what I see everything you've stated actually supports my points.