Count the number of unicorns ycombinator has invested in and compare those returns to the returns that could be generated by trying to secretly take payment fro

Count the number of unicorns ycombinator has invested in and compare those returns to the returns that could be generated by trying to secretly take payment from advertisers. Why would ycombinator waste even a single minute of a single employees time on such an unprofitable activity when it could instead have that same employee spend that same time helping to find and grow the next unicorn. No one is getting rich selling ad space on their own website. Pg is more than smart enough to know this.