why do i have to "install an app" to be re-directed to an article? these tactics just seem to me as "creative" ways to get people to agree to have more informat

why do i have to "install an app" to be re-directed to an article? these tactics just seem to me as "creative" ways to get people to agree to have more information about them published. I've yet to say "yes" to any such prompt on Facebook.