We have noticed that a lot of successful ICOs have exhibited common factors. One of these is their use of hype. Another is a detailed presentation of the company's roadmap.
You forgot the most important part of successful ICO's which are detailed whitepaper and solid marketing strategies. Without these two, ICO's will not become successful.
Right now, hype is not very useful as investors already knows this kind of tactics especially if the hype is very obvious.