OG vibe coders

How do such people program?

They don’t. They used to copy and paste stuff they found on the internet, then when it doesn’t work they made a barely coherent post on Stack Exchange, or maybe the issue tracker of one of the packages they think they’re using. I suppose that nowadays they copy and paste whatever they get out of the LLM de jour, then try to tell it that it didn’t work, copy and paste the answer and repeat until it either compiles or they finally give up and post to an issue tracker.