He owns it though, he doesn't have to respond to shareholders anymore it is his company, so he can just shut it down if he wishes.

He took some debt to purchase it, but in case of debt, when coolant goes down lenders don't care if it was his fault or not.

It is ridiculous to think that he is doing this purposefully.

I think some people still have hangups, because how somebody who created Tesla and SpaceX could be this bad. The thing is that those companies are run by different people he is just their face.

Immediately after purchasing the site state "during this time of transition for Twitter, we're going to take the service offline for a period of time while the team evaluates the best way forward." then never turn it on again and eventually say "after extensive deliberation, we cannot determine a viable method towards profitability and will not be resuming services."

No one looks bad and the service is totally destroyed from day one.

That's not what was done, actions were taken with some other non-obvious goal. Although, it may be charitable to suggest that he's got a goal.