"I think the "snake oil salesman" talk is petty and mid-guided at best."
Do note the full sentence, highlighted here for context: "Musk is past the snake oil salesman stage since he's delivered enough to keep the music playing!"
Yea, the entire sentence was rife with innuendo. But, the "snake oil salesman" dig is the one that gets used the most often by detractors so it was easy to see where you were coming from.