[slver]

It's useful, until you realize you have this on 90% of your code.

[Cthulhu_]

That's when a full rebuild can be justified.

I'm doing that atm, but I think my predecessor lacked the humility to admit that his code was bad, which is how it went up to 150K of code that basically concatenates XML, converts it to JSON and concatenates HTML on the front-end from the result.