not only beginners who lose a lot of bitcoins when investing but seniors also experience the same thing like that, which is mainly due to their greed and also not paying attention to further market analysis so they don't have time to save their assets when the bitcoin price starts to fall
it's true as you said friend, not only beginners who lose bitcoins even seniors can lose their bitcoins, because it's caused by their own greed, and don't control the market well, if beginners lose bitcoins it may be caused because their mentality is not ready, because they are still afraid of negative posts about bitcoin, sometimes beginners still believe the media that says negative things about bitcoin, because most beginners can't tell which news is true and which is fake news.
I agree .. So the loss or loss of money is not always because of a beginner but even seniors can lose money because of these factors, it could be because of greed or feeling never satisfied, emotions etc. For a beginner, I think it's natural that he should experience failure, considering the lack of skills, information and not much community environment.