Anyone that has no source of income has no business investing in Bitcoin, what he or she should be doing is looking for a job so that he or she can take care of his basic needs, after that he can evaluate his situation if their is any discretionary income left to start investing with, because for the said fellow to buy and accumulate Bitcoin consistently,
It is correct that Bitcoin is not an investment for those who have no income, but those who do not have income are certainly children and children can never invest in Bitcoin.
However, for children, their parents can keep holding Bitcoin to ensure the child's future. In this case, the child can create opportunities for income later, and if he finds a way to earn income, he can later invest the Bitcoin given by his parents.