Fallout 76 is indeed a multiplayer game but Bethesda is still going to be making single player games. Tom Howard has hinted that Fallout 76 is indeed a spin-off so to speak and that Fallout 5 will be a single player game. The following is what he had to say:
For those games, we want to keep them as single player. That is what our focus is going to be. If they have some social aspect we haven’t designed yet, you’ll see. But we treat each of them each as their own thing.
It should be noted that Bethesda is also working on other games like Elder Scrolls VI and Starfield, so he could be pointing in that direction as well. That still does not mean that Fallout 5 will be multiplayer as well. He also talked about some aspects of Fallout 76 and the following are the new details that he talked about:
We wanted every aspect to be better. From the graphics to how the controls work, the gunplay, enemy AI, overlapping quests. In Fallout 4 we tried so many new things and redid so many things we had before, we took our lessons in how you strike that balance going into Fallout 76. We improved the hit detection for Fallout 76, it feels much better but you won’t notice unless you go back to Fallout 4 and compare those two games. There are a lot of things we redid for Fallout 76 that I don’t know if the people will notice.
If you did not like the new approach that Bethesda is taking then you need not worry. Fallout 76 is a new experience and you might as well give it a try, it could be worth it. Bethesda has claimed that it is not what people think it is and that could turn out to be true. It is something that we will have to wait and see.
If not, you can always skip this titles and wait for the other single player games from the company to come out. Fallout 76 is releasing November 14th and you have plenty of time to make up your mind, so choose wisely.