This is literally an argument against representative government itself. He's arguing for an autocracy of elites rather than a republic where a legislative body will inevitably have a range of backgrounds and expertise as they craft overarching policy.
Beyond that, its not like members of Congress are food inspectors, FDA scientists, or doing enforcement at the SEC. This is just the dumbest possible excuse to not do anything as a Congress.
Do your job as a legislator or get out.
Mike Johnson punts on oversight of AI companies: "Congress is obviously less qualified than the people who are pushing this frontier to know the ins and outs of it"