maybe for some reason people will regret it, but actually the person who should learn from your mistakes is just you not the people around you because it belongs to you not to them people are making a different mistakes . if they choose to stake with alt coins then that will be their responsibility and  whether they made a mistake then they should learn from it cause its their own . anyway, there may be many people who are getting successful in alt coin trading so if you didn't became on of them maybe you should choose different option of investment .