Some are just investing on ICO's just to have a bonus then dumps it after they recieve their tokens.
This is the truth about ICO's nowadays, mostly doesn't care about the road maps, whitepapers or any plans the devs wants to make it happen. Every ICO investor is researching first on what are the promising projects and once they seen those projects that are attracting more investors they'll get into it already. The bonus tokens are the most attracting bonus that ICO's are doing most of the time now.