Overall, the clarity and rationale of the email improves my impression of Zuckerberg. I'm not a big fan of Facebook, but this sounds like he might be better to

Overall, the clarity and rationale of the email improves my impression of Zuckerberg. I'm not a big fan of Facebook, but this sounds like he might be better to work with than the average tech industry executive. Not knowing how they usually talk, I agree it's probably "non-hostile", but it might be a bit confrontational. And maybe that's appropriate for the situation.