There is almost nothing in the article that is "rocket man bad." The article is "lack of global coordination about man made objects in deep space bad." Which seems kinda like a reasonable and slightly boring complaint except that it's funny in this case because it was a drifting car.

There are signs

> At the time, it received a great deal of notoriety

No, it had received a lot of excitement and enthusiasm, or at best people said it was a gimmick / stunt. Where is the "notoriety" coming from?

The article is free advertising for Elon and Tesla.

Elon launched the thing as a publicity stunt and this article amplifies it.