No, I can't imagine any benifits for modern tech from the 80s ;-)
Yes the image quality of a 4K camera is technically less than that of a film video camera, but show a 1980's movie producer a digital workflow and their mind would be blown. You shoot the picture and can then immediately review and even edit.
So 4K video beats home VHS on quality by leaps and bounds, and for anyone who would have been producing video on film the workflow for digital is amazing.
Anyone who doesn't experience a genuine "Holy shit, I'm actually living in the future" moment when they first encounter a Mavic Mini or similar modern consumer drone is probably in need of pharmaceutical help or talk therapy.
I am way more disappointed on our societal progress than I am on our technological progress.
But to be completely honest, I was expecting at least a moonbase by now.
Instead, they got Tang
…
“It works sometimes, I swear.”
You don't exactly need time travel to get an opinion from someone who lived the 1980s... try asking your parents?
They'll have watched The Jetsons, Blade Runner, 2001, 2010: The Year We Make Contact, and a host of other science fiction that all made the year 2000 look like the year 2100. In 1981, we sure didn't think the Berlin Wall would fall and the USSR would cease to exist a decade later (unless that came about by an apocalypse).