So someone on LEB IRC found their English AUP for dedicated servers, the latest updated version from 29 March 2013.
And it has this:
All of these weren't in the previous edition of that document.
Probably won't affect much people, but if you were ordering dozens of those 3 EUR servers with the intent to use all of them as 24x7 100% bandwidth utilization seedboxes, you might want to seriously reconsider.