No, I don't understand why this myth persists. Docker fetches tarballs, runs commands, and tars up directories. Often, Docker is used to run package management commands (e.g. `apt`, `dpkg`, `yum`, `cargo`, `mvn`, `nix`, `cabal`, `sbt`, `pip`, `npm`, `gradle`, `stack`, `guix`, etc.); the latter are the actual package managers.

Docker "solves" package management in the same way Bash scripts "solve" package management: you can use them to run actual package managers; but also, you probably shouldn't (e.g. Nix is better at creating Docker images than Docker is, for example).