Open the App, be directed to the website, get scammed, ask Apple for your money back because an App in the Appstore scammed you. That's the problem Apple is sol

Open the App, be directed to the website, get scammed, ask Apple for your money back because an App in the Appstore scammed you. That's the problem Apple is solving. Unless transactions go through Apple they can't act as a guarantee on the App - which is what they have defined their role as.