I don’t see that as ridiculous"Turn them in or face $1000 fine" shows they aren't serious about it.
Deerfield bans assault weapons and high-capacity magazines - Deerfield Review
Honestly, if they were serious about confiscating/banning... a ridiculous fine like this is nothing.
Violations carry a fine of between $250 and $1,000 per day, according to Matthew Rose, the village attorney. He said the fine is levied each day until there is compliance.