“Trump’s overall rating was 10.92, easily the worst showing, while Biden’s 62.66 had him tied with John Adams. Some of Biden’s appeal could be due to the person he followed in the Oval Office.”
Biden’s biggest achievements have been fixing the cluster-fuck Trump left him (cough - Covid - cough). If Trump hadn’t come before him, Biden would be seen largely as a placeholder President. Someone keeping the seat warm until the next Democrat can come in.