"Hang on, you only investigate if the rules have been broken? You only issue a fine then, yes, but to have decided there was an offence before you investigate is back to front.'

You have to have reason to believe that an offence has been committed before you start to investigate (unless you are the taxman).

Starmer and Raynor are not obliged to answer the questionnaires. It would be interesting to know how many questionnaires Boris received and how many he answered.