Well I've done what I said I would do.
I've cut Bertie Buddleia back
If I didn't do it, the council would have done, and last time they did it they butchered it. Which is why Bertie went mad ...Buddleias should be cut back when they are dormant, not in their growing period.
Before and after photos show that people can now get past without taking too much away. The top one is the after picture