I'm not an expert in physics, but I think replicator tech is pie in the sky (at least based on our current knowledge in physics).
Replicators work via the conversion of matter into energy and vice versa. I think that's why many say Trek tech is off the wall
, since that is not theoretically possible at the moment. In a way, it's like warp drive; even the theory behind is way out there let alone the application.