It's remarkable how many people in these comments detest people wanting to have a chill time when flying.
We're not slowing the rest of you down - we're getting out of your way. There's so many moving parts that an extra five minutes are so far down the list of things that I'm just not fussed.
Trains are a bit different - there rushing can make all the difference. The limiting factors there are usually how quickly one can get between platforms!