That is not how oversight works. Oversight is an unrelated non-partisan committee and transparency. Unfortunately Elon is jumping through hoops to avoid transparency like moving off any communication that would be subject to FOIA. What you describing is a crony doing his masters bidding not oversight and transparency.
You clearly have your perspective and the rest of the population has theirs. If he / they broke the law, I encourage you to engage your representatives and push for the appropriate actions. Take charge. Until then, it is what it is.