They seem biased to me. A friend of mine who's doing an ICO told me that they paid 10ETH for 5 quality ratings and that's that! I noticed that some ICOs with good project, team, and good social media presence are struggling with getting good reviews.
With all that said, should it still be a factor to look at when investing in ICO?
I don't think I can fully evaluate the ICO website. If you want to invest in an ICO project, you must examine it from multiple perspectives before deciding whether to invest.