Well, yes, I'd love a return of politics of conviction. But we also need to learn from the last 20 years where many people have seen their living standards eroded, while being told how good everything is. I'm a mild-mannered liberal and I'm getting really fed up of being told of what's good for me. I could stamp my foot, I really could!
As for your list: it's too abstract for many.
For many people EU projects seem like expensive white elelphants. The peace it's brougt to many might be a better approach but you also need to find a way of engaging people's self-interest.
Making sure everyone gets heard is more important than a boring discussion of electoral systems.
Personally, I don't think lockdowns can be demonstrated to have been particularly effective, though this depends a bit of the definition. Boosting spending on primary care with some of that mythical bus money would have done more. As would have the earlier introduced of quick tests, especially in care environments, after their approval over a year ago… Okay, details. Whatever the policy, the message could have been simpler.
I suspect vaccination suffers like all prevention mechanisms from the lack of immediacy: warnings on fag packets are known to be understood but the threat is too remote – not today. Shock therapy of people dying or becoming disfigured or disabled is much more effective but, largely thanks to the effectiveness of vaccination, the images of people with diptheria, polio, etc. have faded from the collective consciousness…