<3 I think you are extremely well-written; well-spoken, and you represented yourself with dignity; honor, and fact-based citations that frankly, ought to be upheld in a court of law. I don't know much about UK's judicial system and can only speak to the draconian drug-laws here in America, BUT!!! .....as a sovereign citizen, my general attitude (toward LEOs) is one of: ".....fuck the police."
police as a whole are good for very little. they're never there when you need them (always after the fact.) e.g., you've already BEEN robbed/shot/raped/assaulted/etc prior to the police showing up (if at all), and when they DO show up, all they're (really) interested in is assessing damages, laying blame, and the excision of tax (penalties).
I don't like talking to LEOs (AT ALL). In my opinion, opening one's mouth (even in casual conversation) in front of Herr Fuhrer's browncoats is just not a good idea. they're (basically) looking for a way to fuck you over & violate your civil / constitutional / sovereign rights.