istr that despite not requiring clearance to enter they'd nonetheless belt out a string of machine gun-fast gobbledegook without a pause between words and bossily try to vector you half way around southern England to avoid aircraft in the next county. It was simplest to just tell them where you were routng VFR and get on with it, but they clearly didn't like - and were unused to non-compliance to their rather ridiculous 'avoidance' measures.