Then you still have to get the development environment right, a task so simple it totally isn't a popular usecase for containers (/s), and fix any incompatibili

Then you still have to get the development environment right, a task so simple it totally isn't a popular usecase for containers (/s), and fix any incompatibilities in the APIs since 2001 and now. In other words: it's at least as big a pain in the ass as getting the old binary working.