I think the clue is in the article, he worked on some badly designed legacy app....which he blames on the language / tech stack. I see this a lot across many

I think the clue is in the article, he worked on some badly designed legacy app....which he blames on the language / tech stack. I see this a lot across many tech stacks, people create some monster, but critical, application and then blame their woes on the tech stack :)