It's Cornish nationalists that are arrogant if they think their issue is of high importance in the UK nationally. I didn't simply say the current length was acceptable just because I as a person thought it was, I gave reasons which you have not responded to. Northern Irish politics, minor UK parties, the EU, human rights, terrorism, and probably many other UK politics topics receive much more national attention than Cornish politics-you only have to watch national news TV programmes or read national newspapers to know that. The UK government has paid little/no attention to Cornish politics and the call for a devolved assembly. I'm not saying Cornish politics receive no national coverage at all, but those other topics individually receive more attention. NI and minor UK political parties like Green, UKIP, receive far more votes than Cornish political parties-so why should we omit them and go into an extended discussion about Cornwall. That is why I don't think its appropriate to make the current mention of Cornwall any longer-because this page is 39k already, and those other topics are more important.  

 I'm sure you won't accept this, but Wikipedia's coverage of Cornwall's identity/constitutional question is generous already. On Britannica for example, there is no mention of Cornish politics in their United Kingdom article, even though there is a large paragraph on "regional government". Also, there is no mention of Cornish identity/constitutional question in their Cornwall article, and the Wikipedia article, Cornish nationalism is mentioned immediately in the first paragraph.