AI can be a formidable ally to humans in rational inquiry. It can help us invent drugs, or free us from “bullshit jobs”, or doing our taxes – tasks that demand little thought and offer little satisfaction. All the better. But Kant and his contemporaries did not plead the case of reason over faith just so humans could build better shelves or have more spare time. Critical thinking was not just about efficiency – it was a practice of freedom and human emancipation.
Human thinking is messy and full of errors, but it forces us to debate, to doubt, to test ideas against one another – and to recognise the limits of our own understanding. It builds confidence, both individually and collectively. For Kant, the exercise of reason was never just about knowledge; it was about enabling people to become agents of their own lives, and resist domination. It was about building a moral community grounded in the shared principle of reason and debate, rather than blind belief.
With all the benefits AI brings, the challenge is this: how can we harness its promise of superhuman intelligence without eroding human reasoning, the cornerstone of the Enlightenment and of liberal democracy itself? That may be one of the defining questions of the 21st century. It is one we would do well not to delegate to the machine.