This is a very important point. I work for a company that publishes client libs for many different package indexes (although not npm). This is a fairly well automated process, but it takes minutes (if that) to push a new version to pypi, rubygems etc, but at least a few hours of fiddling about to get something on maven, which of course has this security infrastructure.

An analogy might be drawn with the app stores. We all know it is massively easier to get stuff in the play store than the iOS store. We all know there is a shit ton of spam, malware etc on the play store and not really in the other. But it's also much easier to contribute to. It's a trade off. Security is important, but sometimes I feel that people are unwilling to treat it as an input in a basic cost benefit analysis, instead turning it into a kind of absolute value. I accept that it is not treated seriously enough by many in the community, but overcorrection is not the answer.

Of course, other relatively 'open' package indexes exist that do not have npm's typo squatting issues, so there are other design issues at work in this particular case.