He's right on, but maybe people don't actually know what to do on those cases
A full rewrite is not a Ship of Theseus thing. You're just going to reverse-engineer your own thing in another thing. Unless it is unusable (quality-wise or maybe the only current version was written in APL for Solaris, who knows) there's no need for that.
Can Swift talk to ObjC? Great. Then do that. Attack the critical areas first
Yes sometimes a whole new architecture is needed, but then maybe you needed to reevaluate your earlier procedures and/or hires.
A full rewrite is not a Ship of Theseus thing. You're just going to reverse-engineer your own thing in another thing. Unless it is unusable (quality-wise or maybe the only current version was written in APL for Solaris, who knows) there's no need for that.
Can Swift talk to ObjC? Great. Then do that. Attack the critical areas first
Yes sometimes a whole new architecture is needed, but then maybe you needed to reevaluate your earlier procedures and/or hires.