I think about this all the time. Why is it my bank's business if my device has root access? Most apps will deny you entry if root is detected, while happily I c

I think about this all the time. Why is it my bank's business if my device has root access? Most apps will deny you entry if root is detected, while happily I can log in to the website just fine. If a website is better sandboxed and safer, why aren't the website ever optimized for mobile and lacking feature that could be done with web technology?