They may also have been initially seeing interest in the "volcano bonds" from traditional bond investors -- who then discovered that this isn't a "bond", but instead corporate debt (i.e., is not issued by the state).
Anyone with access to Bitfinex, which is prohibited in countries including the United States, United Kingdom and Canada, will be able to purchase Volcano Tokens. The exchange is anticipating a largely retail audience, as larger institutions may have internal policies prohibiting participation, a spokesperson from Bitfinex said.