The phrase 'fly on the wall' offers an interesting twist - it suggests passive observation without the superiority implied in '
高みの見物'. During international anime forums, I've noticed native speakers use this when discussing behind-the-scenes industry drama.
'Bird's eye view' works for physical elevation scenarios too, like strategy games where you oversee battlefields. Playing 'Fire Emblem' really drives home how commanders maintain that detached perspective while sending units into combat.