I heard it was twofold: One, monthly vesting is strictly better than less frequent vesting. So once one firm (think it was Facebook?) started offering it every

I heard it was twofold: One, monthly vesting is strictly better than less frequent vesting. So once one firm (think it was Facebook?) started offering it everyone else in the same pay scale had to, to compete. Two, the cliffs made it optimal for people to leave right afer the cliff, then take the signing bonus at another company. Removing the cliffs makes it so there is never an “optimal” time to leave