For sure, young people frequently will make pretty dumb-ass decisions when left to their own devices, and sometimes they cannot differentiate between good ideas and bad ideas, yet it still seems like something that they have to figure out and balance on their own, and surely sometimes we might help them in figuring out how to weigh the tradeoffs rather than proclaiming that we know the best answer for their situation (even if we might know them well).
It's not there mistake. When we were young we also made such mistakes, with time we learn and are position to make better decisions. No matter how much you guide a person who is in his teens or early twenties, he wont pay much attention to an experienced guy advice.
For sure the cashflow of students can vary quite a bit in terms of what kind of institution they are studying in, and what their housing costs might be (living with parents or not?), and sometimes they might have financial aid or scholarships that might help too... Some students have jobs and others have internships, and some of the internships and jobs might be related to their longer term interest and other kind of jobs might just be menial work that might not be very helpful to their career objectives. Some students might not be able to get into the better internships (perhaps even unpaid) unless they have some abilities to support themselves, which they might not be able to do, yet the internship might have high chances of increasing their future employment opportunities and income. There is a lot of variance and sometimes luck and sometimes needs for students to spend time looking through possible opportunties and figuring out how to either present themselves or to gain certain experiences so they become a more convincing candidate to be selected for some position that might be a stepping stone to another kind of position. There can be a lot of variables, and surely some kinds of students might be able to get better networks than others based on a variety of factors, including if they might have attended some networking smoozing event.
These days any student who has laptop and internet (which every student has these days) has the option of working online and earning money. The online work opportunity not only help in improving financial status of a student but also help him in improving his skill set, apart from that biggest benefit of this online work is that it helps student in making connections globally that can help him in getting good job or getting good position. .
So, for sure, details can matter in terms of how much we might stock away into bitcoin or any other investment including based on if we really are able to consider that we can lock up funds for 5 years or more or if there might be scenarios that we have to temper how much we lock up, and also we have to make sure that we realize that even if bitcoin has always been positive after 5 years, we are not guaranteed that bitcoin is going to be positive in the next 5 years.. so we should have some cushion in whatever we are expecting to account for that potential scenario, too.. including making sure we safeguard it and are careful about how much we might be keeping on an exchange (perhaps no more than 10% on an exchange?, which also might vary depending on circumstances).
This thread started as I shared my story of how locking my Bitcoin for few months has given me good profit. So we can expect Bitcoin to go up in 5 years too as evident from data available to us. But I agree that if we are locking our investment in Bitcoin then we have something in hand to meet urgent needs. As there can be scenarios in our five year journey that Bitcoin is bearish and so is our portfolio at the time of cash requirement.