Cities are inherently car centric. Think about a typical crossroads controlled by lights. When the light is green, a car can enter the junction and can then leave in any direction (sometimes it has to wait for oncoming traffic, but it can always leave when the lights change again). When the light goes green for a pedestrian at the same junction, they can cross 1 road only.

Fundamentally, the cars are in the middle. They don't have to cross pavements (or cycle lanes) to turn. Everyone else has to cross the road.

Of course, there are exceptions, where a junction has been designed so that, for example, pedestrians can cross diagonally. Likewise the cycle lane sometimes continues across the junction, but mostly doesn't.