The use of the term “beta” has morphed a lot over the years, moving from its original definition as a test phase to being what amounts to a demo of an otherwise finished game. So it’s actually kind of a good thing that Anthem’s game director Jonathan Warner outright said during Gamescom that the title’s beta is basically going to be a demo. No, you’re not providing valuable top-level feedback that late in the process. You can debate the merits of the approach, but it seems like something refreshing to hear, at least.
Warner was also asked about the split between Anthem in multiplayer or solo mode, with a note that while the experience solo should not be lesser, it wouldn’t necessarily be the full experience. There’s no content you couldn’t explore, but it seems multiplayer is the preferred experience. You can see how that holds up when you get a chance to play the beta-meaning-demo for yourself.