Why not use that knowledge to generate income? What for is knowledge if we are not able to use it to produce money? So even without money if we have the knowledge we can easily look for opportunities and gets qualified for the job because of knowledge. There are lots of successful people that started from zero and yet they are able to become rich of of their innovative ideas in terms of making money by either looking for jobs or offering services. Those who claim to have knowledge but failed to produce anything don't have the right knowledge at all. Or more probably they are making excuses for why they can't do things.
Everyone needs evidence inother to clear the air that you're highly educated and knows how the entire space operates, what coins to buy during the bear season and when to sell when the bull season finally comes.No knowledge is waste here, we only lack the information that would lead us straight away from poverty. Knowledge is everything, an investor can have everything within his range, but can not invest without solid knowledge about cryptocurrency, even though he tries, he would end up liquidating his trading accounts which is never a wise step to take when one is probably into investment.