That's why they keep on saying DYOR = Do your own research.
But newbies today are different, unlike before we've been looking for the appropriate answers to our questions that comes out of curiosity. Now people are only curious on how to become rich overnight.
It is true that doing your own research is a great way to find good ico, but now there are many people who choose ico based solely on advice from others and some are only based on ratings on the ico site, even though the advice of others is not necessarily really good and a good rating won't necessarily be a successful ico. so I agree with your opinion, it would be better if you do your own research.