Maybe on average it's true, but it's also a weird tone to strike in marketing materials. Where I work the MLE's are expected to write production level code and

Maybe on average it's true, but it's also a weird tone to strike in marketing materials. Where I work the MLE's are expected to write production level code and deploy their own services. We explicitly hire 1 level down on the SDE ladder when hiring MLEs, so a senior MLE should basically be almost a senior SDE.