Don’t they serve beer whole day there? Or have they stopped doing that? I guess that was seen as one reason why you couldn’t get serious work done.
In this case, the free beer might be an intentional way to take "loud room I can't work in", to "laid back atmosphere I feel home in". The latter is false, but it's not as bad as being stuck with "loud room I can't work in".
Disclaimer: I work in a private office in a London WeWork and the free beer is a nice to have, even if it wasn't a consideration while picking an office.