Microsoft has sent Neowin a statement stating they are "working with content owners" of the sites that have been turned into Windows Phone WebApps "to address any concerns they may raise. "
Webapps RSS
Southwest Airlines has told Neowin that Microsoft has removed the "WebApp" based on Southwest's mobile site from the Windows Phone Store after communication between the two companies.
Microsoft has confirmed it has created and released a number of apps for its Windows Phone Store that have been made from the content of popular mobile app sites.