I totally agree with you because there is no amount of knowledge a newbie we have that he or she won't be drive or shaked by market fluctuation because they are still fresh to the game.
What do you think makes someone a newbie? It's mostly ignorance or lack of deep knowledge about something, if an individual in Bitcoin investment knows all it takes to invest and hold for a very long time, guy that person is no longer a newbie, because he has all the required knowledge to succeed.
So wether a person is just starting to invest in Bitcoin or not, he will never be shaken by market fluctuation when he knows it all on how Bitcoin operate generally.
The fact that someone knows all it takes to invest and hold for a very long time doesn't mean that person can not be seen as a newbie, knowing how Bitcoin works and how to hold doesn't mean you have arrived in Bitcoin investment rather what shows that a person is not longer a newbie is, discipline, maturity and sometimes experience in Bitcoin investment. If some great investors do shake because of dip sometimes then is it a newbie that just joined or venture into Bitcoin investment new that won't be carried away and moreover, knowing all it takes doesn't guarantee your success in Bitcoin investment perhaps you don't understand what Sotelorene is talking about.
Newbie or no newbie i believe if you have the perseverance and will you are going to make it in bitcoin investment. I know a guy who when told about bitcoin years ago decided to try it, he is the kind of person that never backs down on a target even though he is new to it and was even discouraged by the person who introduced him to it what an irony, every other person that started with him could not continue but this guy stayed and endured and now he is a millionaire, perseverance and consistency is the key to succeed not just in bitcoin but life in general it has nothing to do with you being new to something, if you have that zeal in you the sky will surely be your limit