I have read through your project and I think you have a professional team from many different countries. In fact, Dcoin has been depreciated on an exchange and is not trusted by everyone. But I think this is not their problem because they have a separate roadmap to bring this project back into development. Also a plus for this organization is that they have a team ready to answer any your questions.
Yes, very many people blame the dcoin exchange because it is not the right choice for the E3T project, hopefully in the future the E3T project will add a better list of exchanges than dcoin, maybe this way can improve the current situation
It could be.I do not think that if the IEO will be very weak the team will not change the exchange.Let's see how the following events will happen.