&gt;If Carroll is claiming that nothing we learn in the future can possibly feedback into everyday experience<p>He&#x27;s not claiming that.<p>&gt;And if he&#x27;s not making that strong claim, the post is pointlessly tautological<p>No quite. The claim is based on experimental evidence we gained from testing the claims of fundamental physics over the last few decades.<p>&gt;What was the point of that post? I honestly don&#x27;t even.<p>To illustrate how powerful Quantum Field Theory.<p>&gt;We&#x27;re an inventive animal, and we&#x27;ve been discovering new science<p>That isn&#x27;t going to change.