Yeah I am a big believer in https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/ https://www.joelonsoftware.com/2000/04/06/things-you-sh

Yeah I am a big believer in https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/ https://www.joelonsoftware.com/2000/04/06/things-you-should-... If you do a from-scratch rewrite, you could stay in igorance and might make those mistakes. But if you do a refactor, especially one broken up into many steps like this Linux one, it in fact demonstrates a better understanding the existing code and any nuance than merely leaving it in place! Not touching scary-looking code is just bad, and not a wise form of humility.