However that "simplicity" is why they do not even understand the products in the first place. Futures also give you flexibility in coming up with whatever bets on term structure you want - whereas the ETFs have fixed (and somewhat opaque) balances. It costs like 2$ to trade a VX contract, not exactly high cost.
u still in the nov dec switch (in the other thread it was around 75 cents when u posted; currently 42/44)? u mentioned long and that implies -nov +dec..just curious