I haven't seen any news regarding the arrest and prosecution of the culprits who tried to sabotage the TdF stage this year. And the Perthshire resident who ruined my Etape Caledonia still walks free.
I think an example needs to be set, someone prosecuted, even if they are fictitious, i.e. make up a story that someone has been caught, found guilty via some CSI-like evidence and imprisoned for 5 years. That ought to discourage anyone considering spilling the tacks.
On my holidays I may have found the instigator of all the tack related crimes:
I recommend going to his theatre-museum in Figueres, Spain and seeing his work up close.