The question you need to ask and I'll state it more clearly: do YOU need more? Those companies probably aren't you, and can afford to experiment with commercia

The question you need to ask and I'll state it more clearly: do YOU need more? Those companies probably aren't you, and can afford to experiment with commercial and open source options that may or may not fit their scale. People who reject PostgreSQL based on scaling are 99.9% of the time wrong about how much they will end up scaling.