Nah, the thread is about people redoing the whole car, adding airbags, swapping out the carburetor, installing power steering, and maybe throwing in a new stereo and a paint job.
sed vs. sd, for example https://github.com/chmln/sd The semi-lovable but reliable old jalopy overhauled to match modern practices.
This is a somewhat comical statement in a thread about "Rewrite it in Rust."