They are not being managed for profitability; they are being managed for scale. They are growing at near 100% y/o/y, so management has decided to keep the pedal down until they win the market. Profitability comes in the out years, way down the line. Amazon is the most famous (successful) example of this.
I don't work there, but I can assure you that nothing at Twilio is structured to be a profitable small company.
I don't work there, but I can assure you that nothing at Twilio is structured to be a profitable small company.