What do you think is a better definition of success in an ICO? The amount it raises or whether the token is ultimately listed on an exchange?
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3163849 "Are Blockchain Crowdsales the New 'Gold Rush'? Success Determinants of Initial Coin Offerings"
This paper argues eventual trading status is more important.
An important factor is the amount.
When choosing ICO, before investing in it, I always look first at the composition of the team, rating...