It's clear Biden knows what's up, and is proceeding from the assumption that they won't get any cooperation in the transition, and while it will mean there will be issues when they start the real work on January 20, at least it won't be because they didn't make an effort to be absolutely as ready as they can be, and any problems they can well and truly pin directly on Trump stonewalling the process.
"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor