Notice: first working prototype was done after approximately 2 weeks and was done by one developer. Of course it had bugs and was not perfect but it was huge improvement compared to what was before. Imagine that you do not regularly update framework/libraries (as it should be) because of various reasons (client does not want to pay for it or you focus on different things). We understand our decisions and so on, we know it but real life sometimes can not be perfect. Thanks to Codex/Claude we can move forward. Of course we know the LLMs/AI tools are not perfect and magic problem solvers but we could not say that these tools make our lifes worse or something.