Putting it into a "he said / she said" is a smokescreen.
The car might be a lemon but the idea that Tesla told him to run the heater to charge the battery is beyond credulity.
This is not exactly the first time the NYT has told lies for ideological reasons. The paper does it regularly, and really, the idea that it (or any paper in america) is an "unbiased" media is quaint.
The difference is, Elon Musk is willing to stand up to them and call them on it, so they are obfuscating.