Look, you're a smart guy. This isn't complicated.
For ~ 20 years or more the word "Perl" referred to a specific computer language. So by definition another language was not Perl.
Then suddenly, in an attempt to mitigate the destruction done by their colossal egos and stubbornness, we find that, having finally acknowledged that P6 is *not* a successor, the P6 group simply decreed a change in the meaning of the word "Perl" to: "a family of languages."
(This is because, as the various official Perl publications repeatedly state, today, "Perl6" is *not* the same language as Perl 5. It's a so-called "sister language", whatever that means. So in order to continue to use the name Perl they had to redefine its meaning.)
I reject this Newspeak, as I reject the intent behind it, which is to enable a new language, in pre-production development, to freeload on the reputation of Perl, rather than stand or fall on its own.
Why would I change my opinion about that?
The way forward always starts with a minimal test.