Not really.

I'm assuming the person the interviewer spoke with isn't a developer at all. Developers know their work is in progress and don't care if people get copies of the code before it's released... unless it's a private developer... then it's their personal code. All the developer wants is the paycheck.

The interviewed is more than likely a PR person. The developer's phone wouldn't ring off the hook because the company would secretly investigate his terminal for proof of leak.

Since it's a PR person I'm assuming, then the "they" in my statement refers to the company. Not the interviewed.

Management is worried about the leak. They're worried about the bugs that pose a risk to the project and someone releasing an RC version. They will also try to minimize risk of failure for a release candidate so the software will not fail when it's sold.

The shareholders aren't worried about anything because they know they're still going to have a monopoly on software anyhow.

It's odd that they would be concerned with the perception of quality in leaked software... Microsoft customers have come to expect the final release to be buggy anyhow. The only people who are going to install the leaked software probably wouldn't buy the final build anyhow.