Those wrong assumptions they made like people need to have strong source of income first or anything that contribute for them to pause their accumulation is bit off and cause some delays. Since if they pay attention to start right away for sure that they won't get bothered about unnecessary things and provably that they would just pay attention later on how they can increase their income so that they can accumulate more Bitcoin in future. This attitude is I think good for the investor since provably that they can accumulate more especially if they eager to start right away.
I don't think it's a mistake because to create flexibility and comfort, in the end there must be a clear source of income to support the investment we want. Investment will run if we have a clear source of income so that we can balance the expenses that we must make for our daily needs with the investment we want to make.
Although on the one hand it is possible for the investment to still run, but when we don't have a source of income, what we want to do in the investment can be hampered and not a few people actually fail with the accumulation of bitcoin in their portfolio just because they force themselves to try to invest but they don't have a clear budget because of poor financial management and don't have a source of income.
Although being in bitcoin is something that is very worthwhile, of course we have to support it with a clear income that we must have first. It doesn't mean it's a mistake to be in bitcoin when we don't have an income, but if we really want to be more comfortable in terms of flexibility and consistency, then in the end we have to be able to have a clear enough income every month to support the success of the investment we want to make.