I wouldn't say that AW.net is anti-anything. They do that sort of
stuff to keep "the site on topic." Remember, they have the official
blessing of AInc and Hyperion as an AmigaOne/OS4 support site. They
aren't a general site, they have a specific purpose. Try not to
consider such things as strikes against MorphOS and Pegasos, but as a
site trying to stay within it's own charter, or on it's own chosen
path.
At least, that's my take on it. Then again, I don't frequent AW.net
very much, so I'm unable to confirm it 100%. I do, however, suspect
that they are just trying to keep a given focus.