Adebisi replied on reddit:
"Hi guys,
So it was definitely our fault that this was allowed to happen so we are sorry for that. PengWin essentially explained what happened, players are informed to contact admins when pauses happen but obviously this did not occur. Fantasy did not dispute what happened so we can't go back in time to reset the match so the result stands as played."
Le message de PengWIn
"Fantasy agreed to the resume, and didn't dispute it. The admin of that match was doing something else at the time (this dreamhack only had two admins so it's not possible to be watching everything at once) and by the time he was back it had already been resumed and played through. Either way though, it's on the players to pause and ask for an admin if they have a dispute, and fantasy didn't do that."