That's because browsers don't do all that much compared to an operating system (although they are catching up). On the other side, since Windows XP, security of

That's because browsers don't do all that much compared to an operating system (although they are catching up). On the other side, since Windows XP, security of the OS's has been steadily improving as well. What breaches do you mean anyway? Once you push broad access to user data and hardware to browsers, you'll get ransomware there, too. Meanwhile, native sandboxing keeps advancing. So no, web will not remain the safer option forever.