"Let’s start with the lost money – $70k. Whether you’re a big business or startup like us, that’s a lot of cash burned on people who added little to no value to your goals."
70k / 6 employees < 12k / employee.
That's a lot of money? That really doesn't seem like that much money, especially if the vetting paradigm allowed the other 13 employees to bring vastly more than that lost 12k / employee to the table.