I think the biggest biggest takeaway of this blog post 
    is how easy it is to hook into the code of a
    well-structured modern web application.

So does this mean that spaghettification of your web application code will work as a higher barrier to enter against these kind of clever workarounds?

Admittedly, writing spaghetti code will make the programmer feel miserable, but does it really deter people from hacking on your code?