1/
the calculation is that if you keep to standards in practice, 3rd parties will probably be satisfied, but you keep a clearer position of retaining your margin of manoeuvre
2/
Then you get 3rd party satisfaction more firmly, but you're now playing by formalised rules. Sure you can leave, but you have to defend being in to domestic audiences
3/
4/
5/
The past 3 yrs haven't really helped HMG on that
6/
The perception that the UK's word isn't necessarily bond has come back to hurt it repeatedly (e.g. Irish protocol, sequencing, bundling of fisheries into FP talks)
7/
8/
For ECHR, I'm less sure: it's less central to areas of activity and it's not an EU body, but it does matter
9/
10/
11/
Quite apart from any bad intention, a lack of legal obligation risks those involving forgetting to check stuff (think Heathrow)
12/
13/
14/
Still not the most responsible bit of governance
15/
/end