Is anybody else confused by the spate of articles on Snap's decline as a direct result of 'stories' through Insta the last 6 months yet Snapchat still seems to

Is anybody else confused by the spate of articles on Snap's decline as a direct result of 'stories' through Insta the last 6 months yet Snapchat still seems to invariably sit on/near the top of the Play Store/App store charts?