You've just restored the world pre-PEP 668: you can easily accidentally overwrite vetted managed versions of packages with newer (or older!!) releases incompatible with already-installed tools, and break the world. All it takes is a single installed app with incompatible version constraints on a common package. There's a reason this option isn't listed: it's not the best of both worlds, it's the worst of them, all to save a little disk space.
You've just restored the
You've just restored the world pre-PEP 668: you can easily accidentally overwrite vetted managed versions of packages with newer (or older!!) releases incompatible with already-installed tools, and break the world. All it takes is a single installed app with incompatible version constraints on a common package. There's a reason this option isn't listed: it's not the best of both worlds, it's the worst of them, all to save a little disk space.