Unfortunately, nothing can be done about it yet. We should rely on our knowledge and choose projects more carefully. Perhaps the situation will change when countries will adopt laws on ICO, but currently have to try yourself.
Something can be done about it it if it is becomes established in the crypto space a regulatory framework through which any ICO that gets through for approval before launch. Honestly at this point in time some regulations need to come into the system,players should start thinking and working towards it. ICO ratings and sites are not just enough