Yep, I have, although funnily enough it turns out that the rage shake feature was the only way to submit a bug report with diagnostics from a client (as of a couple of months ago anyway) and that feature itself was broken for one of my users (who has since churned).

That FAQ is a great start, but it's not sufficient for non-technical users. It's not easily searchable, it doesn't provide screenshots, and it doesn't go into enough detail for each item (e.g. describing what can go wrong + troubleshooting).

Thanks for pointing it out though