Well Amazon has been sued by its workers' representatives, lost in the first trial and lost again in the appeal trial.
It is of course possible that other delivery services have similar safety measures and have not been sued yet, or have more lenient workers, or whatever; but still, it offers _some_ evidence that Amazon might have worse practices than others.
It is of course possible that other delivery services have similar safety measures and have not been sued yet, or have more lenient workers, or whatever; but still, it offers _some_ evidence that Amazon might have worse practices than others.