You got it littleman.
Just because a page is displaying a certain file extension, this does not indicate the true source. Why penalise the sites that are openly generating content. The generating of content does not give anyone an advantage because, if needs be they will use the "work around" you are referring to please the engine.
<I don't know who wrote the following>
Does this mean that we now have to make sure our hosts have the correct Apache modules installed, php and slq to please Fast.
<but I like it>