The 1st half of this in particular is useful information. Very refreshing to hear! But, as always, the one misunderstanding he has is how the people give consent to be governed. He falls into the usual trap of thinking this is done through voting. But, some good practical advice on the police and their limitations.
1st source: Commons Briefing Paper 9024 - Coronavirus Enforcement Limitations:
(In that page, click the download button to download the pdf)
2nd source: Link to Neale v. DPP
No need to talk or give your name and address to a Police officer