Define "succeeded"? Tesla was definitely not first to market, Ford is expected to surpass them in EV cars shipped by end of this year, and Tesla is well known for their poor car QA + service (as an owner myself).
The comparison between Steve Jobs and Elon Musk is very apt, but I think you lack the historical knowledge to understand why that is.
You might not be aware that your replies to me have exhibited 3 characteristics of losing the point:
1. inserting extra words into what I wrote so you can then attack the strawman
2. diversion into arguing about the meaning of words
3. lobbing a personal insult
I'm sure you can do better.
If I say with "provide a reason why Elon is necessary to the success of the company", and you respond with "Look at the success of these two companies he led" that's completely tangential to the question.
So in exchange for "doing better" answer a simple question for me: What specific actions did Elon take that led to the success of Tesla and/or SpaceX?
I've provided several specific actions that were to the detriment of Tesla, so it should be straightforward to do the inverse.