An important but often neglected fact is that privately owned cars spend only a small fraction of their lifetime driving. Long, continuous rest periods of hours (at night, while at work) or even days (over the weekend) are part of most realistic usage scenarios.
I agree. For example, in Closed-loop optimization of fast-charging protocols for batteries with machine learning, cells were cycled non-stop to make lifetime predictions and choose the best fast charging protocol.
https://www.sciencedirect.com/science/article/abs/pii/S2352152X18308053