Yes i agree with you, beginners guide should help beginners to know what they should do and not do, it is suppose to give them confidence and boost their knowledge about what they are trying to learn or understand.
If a beginners guide is not giving out this things I have mentioned then it is not worthy to be called a beginners guide.
The thing again is that, beginners’ guides can sometimes be very dangerous for beginners, especially when they do not really understand how to source information, that is how to know which information is genuine or invalid, inability to do so may somehow make them accept certain information that may end up making the wrong decision. That’s often how beginners end up having and accepting misconceptions and unlearning these things may not always be as easy as learning them.
New people can do this, they don't know how to collect information and what is the main purpose of this information. When they learn these things, they will be able to choose the wrong and right thing, but the information that the op has presented is for new people. It is best to correct the misconception, in the current situation,
new people can get more clarity about Bitcoin investment. So I appreciate this video and it is better to present this information correctly so that new people don't accept the wrong decision as the right one.