Luton has just extended and 'improved' it's departures. I can't wait until I have to go through in August. My usual ploy to avoid it all AND find a seat is to use my lounge pass. I find I have become adept at 'not seeing' the shops as I search out the lounge or the gate.
Conversely, in Arrivals at LHR (my most regular port) the reduction in seating drives people to sit in the chairs - in the coffee shops ....