He's still right if you don't have good automated testing and you lost most of the original developers (or you don't have other seniors ceva familiar with the domain).
Hah, yeah if you don't have a comprehensive test suite any rewrite will be a disaster - step one is to get the test suite up to code.
Hah, yeah if you don't have a comprehensive test suite any rewrite will be a disaster - step one is to get the test suite up to code.