[mothered]

How else do you backup your servers to your NAS without it being networked?

In future, be sure to thoroughly read my replies -of which my post below answers your question.

Apart from businesses who rely on remote connections to access and transfer data

Because nothing is bulletproof and the internet is a scary place if you don't know what you're doing.

Which further supports my view on the matter:

I cannot fathom why any home user would risk their sensitive data by connecting their device online.