Yes, because MariaDB support is excellent and relatively affordable. On the other hand, you have Oracle...
Also, we like the percona performance patchset that made it into MariaDB and isn't in MySQL proper along with the pt-* toolset from percona.
Also, we like the percona performance patchset that made it into MariaDB and isn't in MySQL proper along with the pt-* toolset from percona.
Many Percona patches did make it into MySQL 5.7 and MySQL 8.0.