> In the end, you live with the fact that your service might be down a day or two per year.
This is hilarious. In the 90s we used to have services which ran on machines in cupboards which would go down because the cleaner would unplug them. Even then a day or two per year would be unacceptable.
Unless you lose a significant amount of money per minute of downtime, there is no incentive to go multicloud.
And multicloud has its own issues.
In the end, you live with the fact that your service might be down a day or two per year.