Earlier quoted context omitted.
The UK's conduct has been appalling. I am deeply ashamed about how my government has conducted itself, and represented the people of the UK. I think the EU's response has been restrained if anything.
Threatening to delete domains for political reasons is “restrained”? I hate brexit probably as much as everyone here, but the institution of the EU has not come out of this any better than the Tory government.
This news was a surprise to me, but I wouldn't be further surprised if this procedure is explained in rules that the UK had a hand in drafting.