I doubt it, when you get into higher-end server hosting you can generally pick either Linux or Windows hosts. Besides, I've worked with Liquidweb a fair bit and they don't seem that miserly.
I don't believe that it has an ounce of intelligence for making decisions about this. It looks like it just finds articles with Volvo or a model number and pastes them here.
I should have refined my comment, I meant to say for the Vendor Representatives who don't promote their website. But are here if you have questions pertaining to their, and other products.
It seems that your requirements to seperate the "real" vendors from the "false" vendors are rather steep and unnecessary. Why not remove the vendor tag altogether and let the vendors link to their website in their signatures?