If the owner of the material chooses to make it copyright free and put it in the public domain they can. It doesn't have to be 'marketable' to be copyright. The copyright laws are there to protect the owner of the material from plagiarism or other sorts of mis-use. BW's Waterscape site, for example, has material that is already copyright elsewhere - eg OS mapping - which it has paid OS for. Clearly people can't just download that, re-package it and pass it on. If you want to use or copy other BW material, you ask. News items, public announcements are just that, public -- the copyright prevents someone from - say - printing off the stoppage list and flogging it. (And why should they be able to - they didn't do the work and incur the costs to produce it.) Or worse, producing one with half the stoppages missing and labelling it 'BW Stoppage List'.
As a long-time freelance journalist I'm very protective of my copyright on material I've written -- I'd be sending an invoice to anyone who used it without my permission. If I choose to let them do it for free, well that's up to me not them.