I did once a standee install by myself and the level was "moderately difficult".
It took me too much time but this time, I want to do one with the level "easy". In the paperwork, it says "You must be physically able to climb a ladder and lift over your head".
But nowhere in the paperwork for the old and new standee, I saw how and why to use a ladder ?
Also, at the theater, they never offered me to use a ladder.
So why do I need to climb a ladder and lift over my head ?
I usually have a 2 step folding step ladder with me just in case. Some of the standee's are 8-9 ft tall and sometimes part of the assembly needs to be done when they are stood up. Never ran into one that required me to lift anything above my head though. As others have said it sounds like just general requirements not specific to this standee.