When you gut the unions...
...there will no longer be anyone but thugs willing to be your cops or your firemen or your teachers. So you can have the thugs protect your homes, put out your fires (after they've started them) and teach your kids their wonderful thug values. Good luck with that.
Oh yeah, and remember the Protection Rackets, Graft, Bribery, etc? They'll be BACKKKKKKK.