The reasons why ICO teams are not trusted:
1. They have not links to social profiles of their members on facebook or linkedin.
2. There is no dedicated person that answers emails or in social media.
3. Communication is not personalized. You chat or email with a person with no name or a name you can not check is true.
4. You have to wait several days to get the answer from the team.
All of those information could be fake as a cheater is good at win ur trust.
Know more about the project, especially the code in the GitHub.