Sent a query on December 18 and got this back today – over three months later!

Sorry xxxx, but no queries are usually more than 4-6 weeks old. I am pretty certain we wouldn’t still have something from December. Feel free to send the query again – no need for sample chapters at this stage.

Now can someone please tell me who in their right mind would resubmit to this agent? One would have to wonder how an agent like this would represent you to a publisher, no?