Eh, the OCaml crowd is surely reasonably large, and they would all be familiar with ML.
I had the same question as the parent commenter and had to wait until the page loaded before determining whether the article was about machine learning or the programming language.
...and other things HNers tell themselves. More at 11.
Seriously tho, I’m unable to find market share numbers because most survey results only list the top 35 or so languages. The last one is COBOL at 0.5%. For comparison, the Lizardman Constant is 4%: https://slatestarcodex.com/2013/04/12/noisy-poll-results-and...