Personally issue with it (besides the pointless noise of having to make a private constructor and such) is that you can't alias them like you can with actual na

Personally issue with it (besides the pointless noise of having to make a private constructor and such) is that you can't alias them like you can with actual namespaces/modules in most languages, which becomes a pain when eg. you need functions from both Apache's StringUtils and your own StringUtils in the same file.