But who would rewrite it for the low salaries? Most people I know are not interested in low-level correctness at all, the open source C++ projects on GitHub wit

But who would rewrite it for the low salaries? Most people I know are not interested in low-level correctness at all, the open source C++ projects on GitHub with a high churn rate always have tons of corner case bugs. If you don't get the right people, the rewrite would be an overengineered object oriented nightmare with an endless stream of bugs.