Geoff,
I'm chiming in to agree with Jimbo, and to give a few illustrations of a simple way to attribute point of view.
I understand that this is a serious problem. Please don't think I'm taking it too light-heartedly if I suggest that the solution is very simple.
In a word: use qualifiers.
What are qualifiers? They are words that qualify (or attribute) points of view. Here are some examples.
Change: * Beethoven's Ninth Symphony is considered the finest... To: * Beethoven's Ninth Symphony is _widely_ considered the finest...
Change: * Tolstoy's two novels... are considered to be his best. To: * Tolstoy's two novels... are considered _by many_ to be his best.
The next requires a slight rewording, but the principle is the same.
Change: * The UNIX operating system is favored by programmers because of its many tools and its successful abstraction of system resources as files To: * _Many programmers favor_ the UNIX operating system because of...
Uncle Ed, aka Ed Poor