My only real problem was that the de-aging on Sam Jackson was so perfect I could NOT wrap my head around it. I don't even know what's real anymore! I wonder how well those effects would work on somebody who doesn't have a 20 year history on film. Jackson in this, Russell in GOTG2, Douglas in Antman, even going back to Bridges in Tron-- these guys all have countless movies and footage that can be referenced to get the look right.. I wonder if they can do this to anyone now.
Older article, from 2017, but apparently there is software that can make supposedly accurate guesses on what someone looked like at various ages. Id imagine the software somehow has some sort of biological, structural understanding which then mimics human artists creativity and knowledge on those topics and then similarly produces a visual.
Maybe the software is even more capable now. I mean if youre a subscriber to the idea of parallel thinking or the great interconnected subconscious of the universe... universe... universe (echo effect)... then if those French dudes were working on it years ago then someones elses (yes, plural, it kinda works) was and is still working on it today.