Pretty sure they were one of the last major companies that would...
Even if warranty pays for repairs to it, if it damages anything else the insurance still has to pay.
The article mentions multiple examples of them just randomly shutting down during operation. That's already bad. But this is going to be it's first winter, it's not surprising insurers don't want to deal with it. They deal with large numbers, it's not a question of "if" like an individual owner, its "when" for the insurer