TOTM - also makes the common misconception that everyone flying on a LoCo are paying low fares. They certainly are not. Lo Co is a low cost airline- not a low fares airline. Sure, some will be paying peanuts, most will be paying the going rate and a few an eye watering amount.
Nobody is asking for a marble palace.
How you get from the west end of T2 to the east of of T3 will be interesting.
(The Skylink from T2 to T1 had EIGHT travelators out of service when I walked through last week).
However, you look at it, it looks like the threshold bar has been set pretty low before even a spade is dug- I expect it will end up a shed with shops, with cheap tempremental lifts and escalators.
The best I can hope for is that the blue buckets get retired.