The more they get from the team (payment) the better the rank they will give!
What I am looking for in ICO is looking at MVP, live and working products. Something that really can make a difference. Not just empty words with fancy pictures.
Of course they are not trust able. Poor quality project always try to find this kinda opportunity to manipulate investors. Own research is the key for finding a good quality project for invest. Here is an article to show you how to find a proper ico/ieo project for investment. Always remember to stay away from greedy offer and patience till proper time come.