 to just aimlessly walk around a mall-like place -- browsing for stuff, grabbing a bite etc -- with no real opportunity cost, since all you gotta do is wait for your flight anyway.

I've def started to appreciate time at airports a bit more, 

econ

$83 Billion Wasted: Showing Up At The Airport 3 Hours Before Your Flight

Scoresby

conspiratorial/convenience story...?

It's _kind of nice_ to just aimlessly walk around a mall-like place -- browsing for stuff, grabbing a bite etc -- with no real opportunity cost, since all you gotta do is wait for your flight anyway. 

I've def started to appreciate time at airports a bit more, _especially_ free food and booze at lounges