Yea I know, but that's besides the point. Biden could ramp it up overnight and all the jokes would be irrelevant. And again Biden isn't my first, second, or third choice, but I'm speaking pragmatically.
As great as Bernie is, look at the levels of infighting he has to battle. Think bigger picture, unless you are enjoying the Trump era. You take a moderate Dem with clout vs a far left Dem. What argument do you make that the far left Dem would not only defeat Trump, but would be able to work better to pass policy while in office?