OK, but it is the same person. Or wasn't that your point?
The lighting is better in the 2018 picture which improves the facial detail. Flat lighting removes all the creases and makes faces look flatter.
Also, the 2018 picture was taken from a long way away while the 2021 picture was taken from much nearer. That emphasises people's noses and makes their ears shrink.
OK, but it is the same person. Or wasn't that your point?
The lighting is better in the 2018 picture which improves the facial detail. Flat lighting removes all the creases and makes faces look flatter.
Also, the 2018 picture was taken from a long way away while the 2021 picture was taken from much nearer. That emphasises people's noses and makes their ears shrink.
It looks like a deepfake video like in this video
https://www.youtube.com/watch?v=QY0UpiEyNVw