You’re saying most of these languages are niche and lacking in versatility. That may true today, but the article is a forecast 10+ years into the future.

A great deal can happen in 10 years. That’s enough time for ecosystems to grow into maturity and breadth of application. That’s enough time for user communities to burgeon. It only takes a lucky break, much like how JavaScript and Python chanced upon their winning streak.

If SPA and front-end development hadn’t taken off, JavaScript would be a nobody today.

If data scientists hadn’t glommed onto Python, it would’ve remained a second-tier language. Python wasn’t the only accessible, user-friendly programming language. It simply caught a lucky break.

Both happened within the last decade.