Given that perl 6 is compatibility breaking, we can category say that if it is not something non-Perl developers should be looking into, it has utterly failed:

Given that perl 6 is compatibility breaking, we can category say that if it is not something non-Perl developers should be looking into, it has utterly failed: it means you've made a completely new language nobody should use who isn't already using it! that said, I don't think it's failing by this metric.