Should a motor vehicle driver give short audible signals when overtaking a pedestrian in fog outside a built-up area?

Why?

In fog outside a built-up area, a motor vehicle driver must give short horn signals while overtaking. This includes overtaking a pedestrian walking in the same direction, warning them that a vehicle is passing alongside.

art. 30 ust. 1 pkt 1 lit. b Prawa o ruchu drogowym