Source code? SSL private keys? Private keys used for deploying code or configs from Github? New Relic license codes? AWS access keys? Pcap dumps? Database passwords? Deleted blog posts? irssi cybersex paged out to a swapfile?

Seriously, if there's nothing on your cheap sandbox server that you don't want published, you're probably not using it in the first place.

Reading your comments in the link, and comments in this thread, I find you to be alarmist at best.

Yes, this issue needs to be raised. No, you can't say that anyone who doesn't agree is a non-factor.

You have the option to scrub your data anytime you like, I've always understood that wasn't the default on DO.

Then certainly you don't mind giving me your root login?

To a server you have discarded?