This is true. It doesn't mean, however, that those criticising the press are no-mark bloggers with nothing better to do. This chap isn't, for instance:
http://whythatsdelightful.wordpress....to-the-bottom/
The Mail and Express for a long time had a tacit no-first-strike agreement, as a result of both sides having dirt on the proprietor of the other side. Thus is the freedom of the press secured.