'The New Statesman' is hardly my cup of tea either, but the article included the details of the original poll to back up the allegation, so irrespective of tone, it was one of these fact based articles designed to actually impart information, that you claim to be looking for.
edit - If you are looking for as non partisan as I can find, a magazine website for people working in the consumer research industry has taken note of the Telegraph's bullshit - https://www.research-live.com/article/news/telegraph-brexit-...
>Ben Page, chief executive of Ipsos Mori, tweeted: "Telegraph reporting taking the piss by ignoring "don't knows" to present an apparent majority."