After the USA did the exact same thing, I'm predisposed to not trust this statement without seeing any evidence. The USA seems to have assumed criminal activity simply based on the fact of unusual hardware, and I'd like to see evidence the EU hasn't done the same. Perhaps my skepticism is misplaced though, perhaps the police over there are less arrest-hungry and they have only done this after having real evidence that this SIM farm actually belongs to a spam ring and isn't just something they use.