New laws are forcing Canadian drug dogs into early retirement

Exactly - just like any obviously fallible technique, those dogs are a free pass for your local Barney Fife to shake you down, search your shit and rob you of your rights.

This is great news for users of marijuana products normal citizens

We can only hope those dogs won’t have the lavish retirement pensions of the typical LEO. Now how about permanently retiring a few hundred thousand more police/TSA/Feds?