Trying to watch this talk: https://media.ccc.de/v/34c3-9135-aslr_on_the_line
Can't. The speaker seems to be seeing the slides the first time in their life.
Please, for the love of everything that is holy, if you're a speaker at a conference, go through your slides a couple of times, preferably with somebody else listening in, so that you don't get surprised by them.
Currently we have a system where admins can freely decide whom to federate with (as they should!), but there is no real transparency built-in IMVHO.