Please review your policy on players that loot an FC then leave

Our FC opened access to an FC chest to all members that have been around for min. a month, and we put all the items that are tricky or take time to get, so that people could get involved in fc crafts.
Someone who had been in our FC for months, took everything and then dropped out of the FC. Scam? He was here long enough for trust and then stole everything.

I reported this, and SE says it was our fault. I thought that was pretty disgusting. Here we are, trying to get new players involved in the fc, and this happens. Its not our fault that someone exploited kindness and trust.

As it is, you are encouraging people to stay within close knit circles, and disclude new players, as we have no recourse to turn to. We cant go harass that player to try get the stuff back, as thats against ToS. As it is, word is getting around, so that player probably wont be in any FCs, but really? Is this EVE online?