The idea that programmers will be replaced is absolutely ridiculous. Being from the business side, I've never worked on a software project that didn't have unforeseen elements, hyper-specific requirements, unnecessarily complicated legacy code to deal with etc. The idea that I would have to deal with a chatbot to sort it out would make me blow my brains out. I don't need some macro understanding of all available code synthesized in a bot, I need micro understanding of our specific needs, environment and the office politics of deadlines and demands. It's great if a chatbot can support the programmer but no manager will stake his success on a chatbot just getting it right.