While stocks might lose half their value in a year, cryptocurrencies have plunged 80%. Your stock portfolio might gain 5% on a really great day, but that pales when compared to a daily increase of 20% (Bitcoin on 4/2/19). Why settle for experiencing mere fear when you can have sheer terror? What's a little excitement as opposed to breath-taking exhilaration? As an added bonus, there is no way to know what your "investment" is really worth.
Plus, a caller asks: What's the difference between VTWAX and VT?