You might argue a bike hitting a pedestrian probably won't be as lethal as two tonnes of SUV hitting a cyclist, but that's a lame justification curled in the deepest realms of double standards. There's plenty of examples when cyclists didn't care enough about cars because the car is supposed to act as the cyclist is apparently clearly in a disadvantage. Same with pedestrians and cyclists, again.
Again, not to defend or blame anyone. I am driving my car maybe two times per month and I am mostly on bike, foot or public transport. But from my experience you just have assholes with egocentric justifications and reasoning on all sides.