I'm sure the same would have been said about Facebook, Instagram, Twitter, and a billion other startups that eventually made it. Aren't auditors supposed to be

I'm sure the same would have been said about Facebook, Instagram, Twitter, and a billion other startups that eventually made it. Aren't auditors supposed to be very conservative? It's unsurprising to me that KPM, PWC, or any other auditing firm would have a pessimistic out look of a startup that is relying on raising money to exist.