[temporallobe]

That’s like the crosswalk button that does nothing. It’s there purely for the placebo effect.

[globular-toast]

They'll also record the press and probably use it as part of their "KPIs". "The number of suckers trying to have control has decreased 5% this month, well done all".

[bookofjoe]

See also: call elevator to your floor buttons

[sib]

How else do you get on the elevator? Wait for it to randomly appear?