Without '--force' to 'destroy-model', models can be stuck in 'destroying' as Juju waits for application hooks to successfully finish firing. Unfortunately, hooks can fail for various reasons[1].
[1]https://paste.ubuntu.com/p/nYHnGpX4sS/
Reviewed-on: https://code.launchpad.net/~hloeung/mojo/force-destroy-model/+merge/388105 Reviewed-by: Stuart Bishop <stuart.bishop@canonical.com>