It's almost totally irrelevant if people own up to bring wrong, particularly about predictions.
I can't think of a benefit, really. You can learn from mistakes without owning up to them, and I think that's the best use of mistakes.
Which actually lends me to respect politicians who do that, and instead ridicule people who post old videos of Joe Biden or Obama or Hillary Clinton mandating heterosexual couples. A virtuous person is also open to adapting their convictions continually based on present day evidence and arguments - what is science otherwise?
Writing and discussion are great ways to explore topics and crystallize opinions and knowledge. HN is a pretty friendly place to talk over these earth moving developments in our field and if I participate here, I’ll be more ready to participate when I get asked if we need to spin up an LLM project at work.
Just don't end up like that guy who predicted that Dropbox would never make it off the ground... that was not a well-reasoned position.