Can ‘boring’ win elections and deliver good policy?

I am provoked by Chris Grey’s article, “Making Brexit Boring”; it’s long and covers a number of dimensions of the consequences of Starmer’s speech on Labour’s new approach to the EU. Much of his Brexit blog I agree with and find informative, but I have a couple of things to say on this article.
He writes,
Yet that answer [i.e. Labour’s differences…