And you have only one example of a manufacturer with long-lived battery packs, and it just happens to have thermal management.
And GM, using ? NMC chemistry variant and LG cells
BWW, using Samsung (I think an NMC variant) cells
You might also consider Tesla and BMW technology expertise. You think they spend all that money for TMS R&D and production for naught ?
And the small matter of a veritable mountain of scientific inquiry showing that batteries are sensitive to temperature in myriad ways.
Then there is Nissan, with its non TMS battery that does so poorly in warm climates planning to add TMS to its next gen LEAF. Incidentally, what chemistry is in the 30 kWh LEAFs that are achieving new records in capacity loss ?
Sorry, but you are arguing a no-brainer. Reminds me of people who are not sure whether AGW climate change is real. I understand your *hope* that the battery does better than all the evidence suggests, but that does not change the odds being against you. WAY against you. Honestly, I apologize for for being such a Debbie Downer for you and others who have bought a 2018 LEAF. I'm not writing to spoil your day, but to warn others considering the car of the likely battery risk.