Without any doubt, because all those rating websites can be paid and the more you pay, the better rating you are going to get. Make you own research and never take those ratings into consideration, because it is a lie.
Exactly there's no honest ratings coming from so called legit sources, and for me what's important is you understand the project platforms. Before participation, dig deeper and scrutinize what's behind a certain ico then you decide after to whom to trust with.