Perhaps Biden will step down before the next election, regardless of what he might be saying now. It does the Dems no good to telegraph that move to the GOP. All they need to do is find someone with a shred of karisma and an ounce of capability for debate and rhetoric, who is obviously not Biden, at least superficially.
Don’t worry, I’m sure there’s a mess of Nvidia H100s training new presidents as we speak!