User blog comment:DaNASCAT/Update Your CSS and JavaScript To Speed Up Your Wiki/@comment-1997905-20120823021949/@comment-5473581-20120823081042

Debugging was my first thought as well, but after considering it, I realised that it's not really a problem: if you need to debug, you disable minify and re-enable it once you've finished debugging.

Kinda like with compiling a program: you don't debug the compiled program, you debug the source.