"For those who don't know, the New Statesman is a political magazine with progressive, left leanings."
"Yet despite being more favourable to the Labour Party than any other party in British politics, it..."

So what does it say about the Corbyn leadership?

"Inside included a brutal editorial, penned by editor Jason Cowley, bemoaning the parlous state of the Labour Party in Opposition under Jeremy Corbyn.
While admitting the magazine was opposed to the Corbyn leadership from the start, arguing the serial backbench rebel was "ill-equipped to be leader", Labour's ineffectiveness over Brexit seemed to be the last straw. It mused:
"The electorate can smell that something is seriously wrong and is recoiling, but those closest to the triumvirate of the leader, John McDonnell and Diane Abbott seem oblivious to or unconcerned by the stench of failure."

http://www.huffingtonpost.co.uk/entry/new-statesman-protest-jeremy-corbyn-momentum_uk_58e73c75e4b058f0a02dd696