I find it interesting that a situation initially caused by a small minority of panic buyers has resulted in a much larger section of the public being forced to join in.
Exhibit #1: myself. We need to visit my elderly mother-in-law on Thursday. I had enough petrol to get there, but not back. Under normal circumstances I'd have driven there and filled up before returning. But current circumstances mean I can't risk that, so today I made a special journey to Tescos, joined the queue, and filled up before I would normally have done. I've effectively been forced to become part of the problem and make it marginally worse.