The French have recruiting problems?
If you need bodies, and they are not volunteering...what do you do?
Then you do without. A nation not able to defend itself does not deserve to survive. No one offered me $20,000 to go out and enlist in the MArines. Although I no longer remember clearly I bet I earned less than $250 a month when I went off to Paris Island.
Further I'd rather face an enemy with 10,000 men who wanted to fight than a million that didn't. Go find a book about Guadalcanal. Those guys wanted to fight. They had no business winning... and they won.
There's nothing more dangerous than a proud, free man that won't be beaten.