They are good projects that will really help the crypto community grow and its not fair to call an ICO a scam until you have actually researched it and you are sure it is a scam.
Just my two satoshis...
You have asked, and on the other side you answered that question. As you stated that 10% of ICOs are legit, including vectors, I also think that not all ICOs are scam. There are still projects that are trying to build the project honestly.