I dont get the joke. But what I really dont get is the "[..] JavaScript community would like to know[..]" part. Are we different communities now? Why would one

I dont get the joke. But what I really dont get is the "[..] JavaScript community would like to know[..]" part. Are we different communities now? Why would one even care? It is like coding style. Use one or the other, just use the same on your team!