IEOs are no doubt a safe and secure way to invest in crypto and will defiantly be the future. Not all projects can pay the exchange fee and will still go for ICO. We have to feel for such legitimate and bright projects who cant progress as ICO because of scammers who have destroyed the name of ICO.
there is nothing safe in IEO and you could see it in the whole 2019. look at the prices of projects that conducted IEO on medium and large exchanges. Now the prices are so low that its already scary. some projects have even been delisted from the exchanges where IEO was conducted due to low liquidity and after all this, you say that it is reliable and safe