When I studied policy, one simple way to differentiate ways for governments to get policy compliance was to call them 'carrots, sticks or sermons'. Carrots incentivise compliance, sticks use coercion and sermons appeal to moral values.
When I heard last night about the new video from Chris Whitty, my first thought was 'more sermons' and my second was 'I think people are sick of those'. We seem to have few carrots other than the vaccine and a lot of sticks - but not a lot of enforcement.
So what would you change? I would cut the sermonising and put some carrots in for hopefully this final stretch. I think more sticks might risk a riot.