Jews didn’t willingly accept a vow of obedience. Nor did the Jews willingly accept responsibility for serving other Jews.
Instead, these men face an extremely difficult reality. To fully live their vows, they need to return. They need also to shepherd the flock.
It will likely require heroic virtue, which God will certainly provide.
Its easy to tell someone else to go die in a country they have no ties to.
Wouldn’t the best option be to return and arm up?