[mseebach]

The analogy breaks down quickly, because cars are mostly standalone, and can be replaced with little risk, while software is often complex and interconnected, so the benefit of a rewrite in a new language only rarely exceed the massive risks of abandoning your clunky but well-tested codebase.

But, sticking with it, it's comes down to there being a huge market in parts and service. Something like all taxis in the US still being Ford Ts, with very little forecast of change.