We knew Biden wasn’t all there. The autopen scandal is one more reminder that someone else was acting as president during his presidency. From Matt Margolis at pjmedia.com:

The Biden administration has been caught in what could be one of the most jaw-dropping scandals in presidential history. As PJ Media previously reported, virtually every document during Biden’s presidency was signed by autopen.
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While the presidential autopen isn’t new—Barack Obama first used it to sign legislation in 2013—the scale of its use under Biden and the circumstances surrounding it are raising serious red flags. Legitimate questions have been raised as to whether use of the autopen was always authorized by Joe Biden, or even if he was aware it was being used to sign documents.
The situation has become so alarming that President Trump addressed it directly during his Friday speech at the Department of Justice.
“Crooked Joe Biden got us into a real mess with Russia and everything else he did, frankly,” Trump begain. “But he didn’t know about it and he, generally speaking, signed it with autopen. So how would he know? That autopen is a big deal? I don’t know.”
Trump continued, “You know, they’re having, who’s, who’s doing this? When my people come up, Will and all of the people, Steve, they come up and, ‘Sir, this is an executive order.’ They explain it to me and you know, 90% of the time I sign it, 99% of the time I say, ‘Do it,’ but they come up and I sign it. But you don’t use autopen. Number one, it’s disrespectful to the office. Number two, maybe it’s not even valid because you know who’s getting him to sign? He had no idea what the hell he was doing. If he did, all of these bad things wouldn’t be happening right now.”