"5) Blame parents. Why not?"
How many of the rioters are 11?
"8) Have a curfew. Would have helped, actually."
Right, so have a curfew where anyone on the street is an automatic suspect and is rounded up and arrested. Great for all those people trying to go about their lawful business without let or hindrance.
"9) Multiculturalism isn't working. I thought this was accepted knowledge now."
Only in the Daily Mail.
"12) Bring back National Service. Why is this such a ridiculous idea? [...] Germany still has National Service"
If you hadn't noticed (of course you hadn't or even bothered to check, you'd know that a) German National Service was only compulsory for men and b) They stopped it as of July 2011. Oh and c) German civil liberties *aren't* fine because they have restrictions on freedom of expression, data retention laws and monitoring of the senders and recipients of e-mails, phone calls and other electronic communications.
Still, judging from your comments, you probably think that that's a perfectly acceptable situation...