[riku_iki]

Sure, but those who require (99% of major businesses) are ready to pay.

[Nextgrid]

Is that why most of them go down every time a single provider or even region goes down?

Actual active-active HA of your datastores is really hard to do (CAP theorem and all that). The majority of companies don't do it.

[riku_iki]

PG doesn't have active-active. Solution is to have multizone failover with replication.