None.

Drones are piloted and controlled by humans, not AI.

So, what you’re saying is, “it works on my machine”

You’re right to give up on btrfs. It’s been so long in development and it just isn’t ready. Ext4 or ZFS are mature and excellent file systems. There’s no need for btrfs these days. It always has and always will disappoint.

Everyone singing the praises of it are the sysadmin equivalent of the software engineer yelling ‘it works on my machine’ when a user finds an issue.