https://wccftech.com/bethesda-afraid-fallout-76-multiplayer/

The upcoming Fallout 76 is Bethesda’s first online multiplayer only Fallout installment, and it appears that the game director is sometimes afraid of trying that out.

The Fallout games have always been single-player titles, although some mods made multiplayer possible. While some fans have been asking for a multiplayer mode in Fallout 4, many others are afraid of what such a mode might do with the Fallout franchise.