Why does the Fleckvieh maintain a more manageable nature compared to some highly specialized continental European beef lines?

Answer

Its dual-purpose background necessitates a more moderate nature

The intense selection pressure solely for extreme muscling in specialized beef lines can lead to aggression, but the Fleckvieh's heritage as a dual-purpose animal requires a more moderate and manageable disposition.

Why does the Fleckvieh maintain a more manageable nature compared to some highly specialized continental European beef lines?
cattlebulltemperamentFleckvieh