Sorry not sorry, but that was no "nothingburger." The fact of the matter was that Twitter under Jack Dorsey had become completely bloated and abusive. You had people working there whose only job was to do things like manipulate pixels in emojis and more seriously, they had created a vast and cancerous DEI bureaucracy.
That the CISA works with the EIP isn't Kool-Aid, it's a fact, no matter how much it upsets the apple cart of established big media narratives.
You know what else isn't "Kool-Aid"? The FBI was having monthly and even weekly meetings with Twitter executives to coordinate their efforts. Twitter under Dorsey did this in conjunction with the DHS, the DOJ, the office of the Director of National Intelligence, the CIA, and the NSA.
In Twitter’s interactions with the FBI, former Head of Trust and Safety Yoel Roth considered the Bureau a proxy for the entire “intelligence community” as a whole; and that the FBI and Twitter have become closely enmeshed.
If you don't think that's a problem for freedom of speech and privacy, perhaps you ought to read up on the topic.
I don't make any claims as to the level of his involvement, but the bad stuff happened both before and after his departure. Many of the moderation decisions discussed in the Twitter Files took place while he was still CEO.