curl-6 on 30 January 2020
https://nintendoeverything.com/nintendo-discusses-how-it-will-keep-switch-growing-in-year-four-and-beyond/
"March of 2020 will mark three full years since the launch of Nintendo Switch and the start of its fourth year of sales. According to the conventional wisdom for dedicated video game platforms, Nintendo Switch should be entering the midway phase of the hardware lifecycle. But we believe we have built a foundation on which we can pursue further growth opportunities for Nintendo Switch." - Nintendo CEO Furukawa
Looks like those predicting/advocating for a Switch successor next year aren't gonna get it.
