Here is the full text of the email: https://community.expensify.com/discussion/7632/protect-demo...
It looks like he used his access to millions of customer emails to spam them with his political views.
> I know you don’t want to hear this from me. And I guarantee I don’t want to say it.
This whole thing just reeks of narcissism and delusion. And that's saying something, since I mostly agree with him otherwise. I can't imagine this did anything but piss off a lot of people.