For some reason if a VC dumps $10m each into 100 companies and none of them is very successful, it's part of the business. YC puts $15-20k into 20 companies a

For some reason if a VC dumps $10m each into 100 companies and none of them is very successful, it's part of the business. YC puts $15-20k into 20 companies and one has a (major) liquidity event and that's a failure? wtf?