Yeah, I am not a big fan of the Switch UI. They really took out the "surprise and delight" compared to the Wii U and 3DS. Very bland and straightforward, and yet somehow awfully slow and laggy.
Every game card is playable, no matter how out of date the Switch is, without any internet connection.
I'll take that kind of functionality before "surprise and delight." We might get "surprise and delight" this generation though, if in part because the change to a modified Samsung NAND over Macronix might be cheaper at larger capacities if rumors are correct.
By comparison, the Wii U with it's "nice touches" was over 5 GB.
This is mostly accurate, but not entirely afaict. I had to connect my switch to wifi in order to update the OS to play Xenoblade 3 (or Tears of the Kingdom? It's been a while).