Working backwards from your label, what signs leading up to Facebook's recent outages could we have used to evaluate them as being or not being a "mature compan

Working backwards from your label, what signs leading up to Facebook's recent outages could we have used to evaluate them as being or not being a "mature company"? I think, perhaps, that being siloed, bureaucratic, large, profitable, and management heavy are not the best or only qualifiers of "maturity".