No it still makes zero sense. What danger is there by just holding station where you were in the traffic when you come to a queue? you will still have to go past any further obstacles with cars behind regardless (although you will definitely have cars behind you if you go to the front of the queue??). By going to the front, you then have everyone who was in front of you before the red light then having to overtake you again.
The main reason for the cyclist box things is so that cyclists gong straight on don't get hit by cars turning left that are oblivious to them. At a junction I will always go to the front & pretty much in the middle if the light is red. Bit different if it's green though.
At a pedestrian crossing it's a different ball game and I would probably stay at the same sort of place. If there is a very long queue for a roundabout I would filter and merge in at some point before getting to the roundabout (although I am thinking of a specific mini roundabout on my route as I don't encounter such things very often)