Exactly. They would be considered by some (or all?) to have a leftwing slant and therefore be tainted somehow. They are considerably to the left of most American papers for example.
Some introductory reading: "Politics: Comtemporary" in http://moldbuggery.blogspot.com/2009/03/collected-writings-o...
To be fair, I didn't need to wear a tinfoil hat when reading _every_ paragraph!