I think that was clearly a matter of saying, "I'm glad that Nintendo doesn't follow the big industry trends as a matter of habit, including all the obnoxious things like achievements which ruin the other consoles." There wasn't any assertion that achievements and power are intertwined.
But there's a real problem of scale these days. Mario 64 was cutting-edge, but it was made by an absolutely
tiny group of close-knit developers and designers:
https://www.mariowiki.com/List_of_Super_Mario_64_staff
Even
Mario Galaxy had a whole staff size that is equivalent to just half of one sub-department of the giant corporate development groups that make games like Ass Creed etc.
Games that are made to fit very high production levels require much larger teams. They become giant corporate products with a million middle managers. And they have started to suck as a consequence. Yes, there are gems, but I'd call the general quality trend of big-developer games to be hands down the worst of any generation I've lived through, and I started gaming on the OG NES.
Nintendo does best when it has the flexibility to make weird games that don't require massive budgets, or the ability to make games with modest teams that are close-knit and share a common vision, rather than sharing an HR department and a set of corporate watchmen. I'm sure they can adapt to bigger scale to a certain extent, but many of us see only blandness in that direction. Look at Disney... to me, it's the most soulless set of products you can find on this planet, when it once was something special before it became a giant IP-factory.