Yes, AML policies would indeed catch most terrorist activities involving money transfers, besides it's easier to profit on drugs if you are operating lawlessly (and how better to poison your enemy, too). Plot talks would be far easier on other mediums, and recruiting within a game like
EU is much like trying to recruit priests from local bars.
But that doesn't mean there aren't other "less than legit" organizations that view
EU as an opportunity -- and thus a need for scrutiny beyond the normal AML baselines (which are very minimal, btw). On the other hand, the "terrorist" rules are very likely used much like "national security" is bandied about whenever they want to avoid inconvenient questions about their actions.
I don't want to turn this into a political thread, I'm just saying that convenient excuses
tend to be abused, expecially in the absence of proper oversight. What that means to
EU is that there is a fairly good chance that transactions and chat logs are "voluntarily" made available when certain (loose) criteria are met.
I'm okay with that (I'm not as okay with some of the other things done by my beloved government, but that's outside of this discussion and against forum policy to discuss). It would actually be nice to see some legal action arise from those suspected backdoor deals. Perhaps those "hate-crime" groups could be put on a watch list, or other organized crime fall-out. I doubt we'll see that, but who knows.
So, the on-topic summary: it's at least possible that some backdoor deals were discussed as part of his visit, but more likely he was just answering questions so threats could be assessed and
EU be better targeted by future laws (like taxes).