1000 charge cycles. If you charge twice a week, that's 500 weeks or a little less than 10 years. There's no mention of degradation over time.
But back-of-the-napkin, it means for this to be cost-effective, they may want to come up with some sort of replaceable or battery swap system. Not sure anyone will want to buy a vehicle that needs a massive battery retrofit every 8-10 years.
Had stinky tofu with curdled pig's blood in Taipei a while back. The people I was visiting had me try it at a night market. The smell was much worse than the texture or flavor. I could totally see someone who had grown up with it considering it comfort food.
Helped that we had all had a fair bit to drink already.