Nope, doesn't invalidate the argument at all, since much of the excitement in the Perl 5 community these days is from ideas originally generated for Perl 6 and borrowed back. (And most of the Perl 6 folks are quite happy with a re-invigorated Perl 5, by the way.) Without Jon Orwant ten years ago you wouldn't have Moose today.
in reply to Re^4: Putting Perl Back on Top in the Fields of Scientific and Financial Computing
in thread Putting Perl Back on Top in the Fields of Scientific and Financial Computing