Sir – Councillor Dhall used your columns to warn rather sternly (Letters, March 26): “This is how local democracy works. Like it or not, Oxford University is subject to the same planning system vagaries as every other body or individual ……”

I suppose that in future, the Green party will be handing out similar advice to would-be environmental protestors and to everybody who wants to take “direct action” against something legal which they personally disapprove of.

Roger Moreton, Oxford