I'm a time-poor parent of two, and the Switch is the console that gave me back my video games.
I can play on the bus, on the train, in bed before I sleep.
Traditional handheld experiences (the PlayStation Vita is probably the best example) have been great in the past, but the Switch isn't "just" a "handheld," it's Nintendo's console.
You're not playing a watered-down, spin-off version of Zelda developed by Nintendo's B-team, you're playing THE Zelda.
As of Wednesday the 11th of July, the Nintendo Switch Lite has gone from perennial rumor to actual thing you can (potentially) buy in September 2019.
That feature has been nerfed.