It is a fact that divides the surface, or different spatial volumes into separate segments, which in themselves are natural, therefore, symbolizes the division into segments, which is typical of rationality or, in other words, the dialectic of "gear", meaning the enslavement of the subject of alien computer. Going up or down the ladder is to be to a greater or lesser extent, the subordinate machine. In any case, the image speaks of the ladder monitor deviations controlled situation, so this way always is negative.
Walk up - success, fall - failure; broken stairs - obstacles, enemies, detractors.