Think about it. We should be able to tell when he was replaced. Was it before Covid? When was the 1st time Trump said he wasn't the same person. The earliest I can find is Jun 2019. Which would make sense because they cheated in 2018. We can look at pictures & video broadcasts to help find dates.
Any one want to help here? Lets do some research.
Update: Looks like it happened right after Bush Sr Funeral in Dec 2018. There are articles about Biden going under plastic surgery at the beginning of 2019. All the photos don't look like him after the start of 2019.
Does that actor look photoshopped on to the background? I wouldn't think the background would be that out of focus. I do know if they were both in focus, then the picture would be 100% fake.
I've forgotten what that effect is called but its done with certain lens and f-stops. It's some thing like boka or bocha. It's easy to do with the right gear.