Redfall Single-Player Requires Online Connection

One of the answers in a new Redfall FAQ on the official website reveals that playing Bethesda's upcoming vampire game will require a persistent internet connection, even in single-player mode (thanks Reddit). Here's the explanation of the game's online requirements:
Will playing Redfall require an online connection for single player as well as co-op?
A persistent online connection is required for single player and co-op.

Will playing Redfall require a account?
A account is required.

Will playing Redfall require account linking (to your Steam/Xbox User ID)?