I mean, the issues with this car are pretty well documented, so it feels like this person is really using the website (and the HN exposure, successfully), to extract the refund from Volvo that they need want. Likely rightfully so, since the ex90 subreddit is full of people invoking lemon law successfully.
I don't know. Apparently he's using a law firm to receive its refund. The HN exposure seems to be there just to ... expose the facts to the public. Looks more like a sort of revenge/public safety announcement to me (saying "don't buy Volvo").
It feels like Volvo is stuck in a sort of a cargo cult like situation. Modern car has to be software defined, so let's define the car by software. Except one of the reddit posts claims Volvo outsourced the development to Infosys. With predictable results...