Japanese business execs very much are all still living in 1985. Japan, especially its corporate culture, is infamous for being stuck in the past. This is bafflingly at odds with its outside perception of being a nation full of bleeding edge innovation. And it is... but only in some aspects.
Japan is almost exclusively run by old men. Traditionalism is tough to budge there. A ridiculous amount of mission critical business communication in Japan still relies on fax machines. Not email. Not messenger apps. Fax machines. In 2023.
Anyhow, even if the rest of the world has turned away from the briefcase we've just replaced it with the laptop bag anyway.