Maybe, maybe not. We haven't seen that S-1 yet. All we have is the 5B in lifetime so far. PLUS - revenue quadrupled or not, it only matters if their costs did not expand at the same rate or more. Revenue is not profit.
Revenue is not profit yet the discussion in this particular thread is about revenue.
Ever heard of Enron, Theranos, SBX ? They were all hiding in plain sight - who could've thought they were frauds?
No, at this level of capital involved, and so much opacity around the company financials, it's a perfectly reasonable assumption.