I think he's saying that PHP enabled a lot of people to build disastrously broken systems to do jobs they had no idea how to do.
I worked for a shop in the past that had this problem in spades - huge ColdFusion and PHP ecommerce sites that were a gigantic ball of horrifying security and functionality failures, started by people who taught themselves how to program on the job because someone said "we should sell our stuff on the web".
I guess the world is probably net better for those sites existing, even as they are, but it feels like PHP could have done a better job of helping learners not shoot themselves so violently in the foot.
