(That's not intended as a pedant's review of the article, just a note on the title presented on HN, which was praised in a recent thread for making even small changes to improve the grammar and quality of the site.)
“Multinational” is in regular use (reflected in most current dictionaries) as a standalone noun with an equivalent meaning to the noun phrase “multinational corporation”.
(That's not intended as a pedant's review of the article, just a note on the title presented on HN, which was praised in a recent thread for making even small changes to improve the grammar and quality of the site.)