This is a clever way to raise important issues in security of package managers, but I can't find support for your claim that NPM doesn't let you report malware. A cursory google search brought me this: https://docs.npmjs.com/reporting-malware-in-an-npm-package
And I confirmed that that button is indeed available on packages with a link that goes to eg https://www.npmjs.com/support?inquire=security&security-inqu...
What functionality was removed?