They have lead millions that are following there channels bankrupt in which they are yet to recover. That is why it is good to always do your own research and follow it strictly, even-though it failed, you will be more satisfied than shifting blames.
I always have problem with people who advise one to do his or her own research. From your submission above where do you think whoever is taking your advice will go research because the same people you are alleging are the ones sponsoring article all over the internet.
The advice to trader is that you have to be greedy and invest more when people are afraid of the market and be afraid of the market by selling most of your coins when are happy about the increase in the price.