I don't know JS and I've never used these js package managers, but are these issues such that they couldn't have been fixed in the original package manager? Sme

I don't know JS and I've never used these js package managers, but are these issues such that they couldn't have been fixed in the original package manager? Smells like NIH that is just going to create head ache and misery for everyone in the JS community in the long term.