I am not an expert, while I think IEO and STO have better future than ICO. And exchange coins are also a good option. Look at Binance, since the start of IEO and Launchpad, BNB growths 6X since end of 2018. It is now 24USD, I missed that...
My favorate coins, XMR, XRP, BTT, NEW, LIGHT, HTA, GT
I agree with you that you should invest in the IEO instead of investing in ICO projects. For IEO supported by large exchanges such as Binance with 100% profit rate for investors and especially it is difficult to buy this IEO because the number of investors is too large, the limit tokens are low. One of the significant limitations. Don't worry because you can buy BNB a currency issued by Binance exchange. It can still be profitable for you if you hold it instead of investing in Bitcoin.
I think that you speak correctly, because this information is distributed not only in the forum, but also beyond. The reality of the new development concept of IEO, really causes a lot of confidence among investors, and the current situation with binance gives real hope that investing in BNB will really bring good profits in the future.