A good analogy might be a shareholder corporation: each one began as a tool of human agency, and yet a sufficiently mature corporation has a de-facto agency of its own, transcending any one shareholder, employee, or board member.
The more AI/ML is woven into our infrastructure and economy, the less it will be possible to find an "off switch", anymore than we can (realistically) find an off switch for Walmart, Amazon, etc.