Wow, you have absolutely and shockingly little knowledge about any of this, do you?

I’m disgusted with Musk and can still see that SpaceX is the best thing going right now.

Why do Starship launches explode? Because SpaceX is pushing the envelope in multiple directions at once. Why is SLS “reliable”? Because it’s doing absolutely nothing new whatsoever, and doing it at an appalling cost in dollars and time.